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The longest cave in the world: superlatives with the present perfect

Superlatives with the present perfect, as in the longest cave I've ever seen, are the focus of this A2 ESL lesson plan.

Grammar
The + superlative + noun + I've ever + past participle (You're the best guide I've ever had!) for every person, and questions such as What's the strangest thing you've ever eaten?
Topic
Mammoth Cave in Kentucky, the longest known cave system in the world, with words such as passage, echo, headlamp and burgoo.
Activities
The show's post to read, a cave tour and a viewer's voice message to hear, self-checking drills, a chat that builds an online review, and a wheel and boxes of questions.

What's inside

  1. Chapter 1Into the cave!

    • PictureUnlock
    • Spin the wheel and answerSpin the wheelUnlock
    • Study the words: deep in a caveVocabularyTry it
    • Look at the pictures and chooseChoose by pictureUnlock

  2. Chapter 2Let's read: 400 miles under Kentucky

    • Look at the photo: deep in Mammoth CavePictureUnlock
    • Read the show's postReal-life documentTry it
    • Read and mark true or falseTrue or falseUnlock
    • Read again and choose the right answerQuizUnlock

  3. Chapter 3Let's listen: lights off!

    • Listen to Maya and MalikListeningTry it
    • Transcript, for the teacherUnlock
    • Listen and choose the right answerQuizUnlock
    • Listen to Xavier's questionListeningUnlock
    • Transcript, for the teacherUnlock
    • Listen and mark true or falseTrue or falseUnlock

  4. Chapter 4Grammar: the best I've ever seen

    • Study the scheme: the best I've ever…Grammar schemeTry it
    • Choose the correct optionChoose the optionUnlock
    • Fill in the gaps: write the past participleFill in the gapsTry it
    • Fill in the table: write have / has ever + the past participleFill in the tableUnlock
    • Choose the right sentenceQuizUnlock

  5. Chapter 5Let's talk: five stars!

    • Choose the right replies: write a review with NoraChatTry it
    • Open a box and answer: the best I've ever…Open the boxUnlock

  6. Chapter 6Homework

    • Match the words and the meaningsMatchUnlock
    • Unscramble the wordsAnagramUnlock
    • Fill in the gaps with the lesson's wordsFill in the gapsUnlock
    • Fill in the gaps: the superlative and the past participleFill in the gapsUnlock
    • Put the words in the correct orderUnjumbleUnlock
    • Sort the phrases: a 5-star or a 1-star review?Sort into columnsUnlock
    • Choose the correct option: three reviews for XavierChoose the optionUnlock
    • Sort the lines: the three parts of a reviewSort into columnsUnlock
    • Drag the words into the gaps: Penny's reviewDrag and dropUnlock

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Vocabulary

10 words and phrases from the lesson, each with a picture and audio in edio.

+7 more with pictures and audio in the lessonMore words

  • passage
  • headlamp
  • limestone
  • underground
  • burgoo
  • bluegrass
  • banjo

Grammar: superlatives with the present perfect

A superlative picks the top of a group, and I've ever + past participle makes that group everything in your life so far: It's the longest cave I've ever seen. Deep in Mammoth Cave, learners join a superlative and a noun to I've ever, use the pattern with every person, ask What's the … you've ever …? and refresh -est and the most.

It's the longest cave I've ever seen!

Talk about your top experience: the + superlative + noun + I've ever + past participle.

The pattern: the longest cave I've ever seen

Five parts go in a fixed order: the, a superlative, a noun, the person with have or has ever, and the past participle. That was the best stew we've ever eaten. The participle needs its have or has: the longest cave I ever seen is wrong.

thesuperlativenounperson + have / has everpast participle

It's the longest cave I've ever seen.

That was the best stew we've ever eaten.

This is the darkest place she has ever been.

Every person: I've, she's, they've ever

Only the person and its helper change: the smallest passage he's ever crawled through, the darkest place she's ever been, the loudest echo they've ever heard. He, she and it take has; the rest take have, in long or short form.

WhoExampleLong form
IIt's the longest cave I've ever seen.I have ever seen
youIt's the best stew you've ever eaten.you have ever eaten
heIt's the smallest passage he's ever crawled through.he has ever crawled
sheIt's the darkest place she's ever been.she has ever been
it (my cat)It's the best fish it's ever eaten.it has ever eaten
weIt was the best tour we've ever taken.we have ever taken
theyIt's the loudest echo they've ever heard.they have ever heard

Superlatives: a quick refresher

Short adjectives add -est (the darkest) or -st after -e (the strangest), double a final consonant after one vowel (the biggest) or change y to i (the funniest). Longer ones take the most (the most beautiful), and good and bad become the best and the worst.

AdjectiveWhat to doSuperlative
long, dark, cold, loudadd -estthe longest, the darkest, the coldest
nice, strangeends in -e: add -stthe nicest, the strangest
big, hotone vowel + one consonant: double itthe biggest, the hottest
funny, tiny, friendlyy → i, add -estthe funniest, the tiniest, the friendliest
beautiful, interesting, boringlonger words: the mostthe most beautiful, the most interesting
good, badirregularthe best, the worst

Asking about someone's top experience

A question puts What's or Who's first and keeps the rest in statement order: What's the strangest thing you've ever eaten?, not …thing have you ever eaten? The answer repeats the pattern: A bug! It's the strangest thing I've ever eaten.

QuestionAnswer
What's the strangest thing you've ever eaten?A bug! It's the strangest thing I've ever eaten.
What's the coolest place you've ever been?Mammoth Cave! It's the coolest place I've ever been.
Who's the funniest person you've ever met?My cousin! He's the funniest person I've ever met.

Past participles, and ever, not never

After have or has comes the past participle: seen, eaten, met, had, crawled. A superlative takes ever: the best tour I've ever taken, not I've never taken. Everyday American English also says the best pizza I ever ate, with the past simple, but the drills practice I've ever.

Past participles

  • see → seen
  • eat → eaten
  • be → been
  • take → taken
  • hear → heard
  • meet → met
  • have → had
  • try → tried
  • crawl → crawled
  • echo → echoed
  • visit → visited
  • cook → cooked

Watch out

Say ever, not never: the best tour I've ever taken. Use have / has + the past participle: I've ever seen (not: I ever seen, I've ever saw). Use -est or the most, never both: the longest (not: the most longest, more long). In everyday American English, you may also hear “the best pizza I ever ate”. In this lesson, we use I've ever + past participle.

At Mammoth Cave

  • Mammoth Cave is the longest cave I've ever seen!
  • That's the loudest echo I've ever heard.
  • It's the smallest passage Malik has ever crawled through.
  • Burgoo is the best stew Marco has ever eaten.
  • Malik is the best guide we've ever had.
  • What's the coolest thing you've ever seen in a cave?

Common mistakes

  • It's the longest cave I ever seen.

    It's the longest cave I've ever seen.

    have / has + ever + past participle

  • It's the most longest cave.

    It's the longest cave.

    -est or the most, never both

  • It's the longest cave I've never seen.

    It's the longest cave I've ever seen.

    superlative + ever, not never

  • It's the best stew I have ever ate.

    It's the best stew I have ever eaten.

    eat → ate → eaten

More lessons on this grammar: Present perfect lessons and exercises · Comparatives and superlatives lessons and exercises

Try the superlatives with ever exercises

Try them yourself: these are the same exercises your students do in edio.

More exercises

What's in the lesson

  • 17 auto-checked exercises
  • 4 games
  • 1 real-life document
  • 1 grammar scheme
  • 1 set of word cards
  • 2 audio clips
  • 2 pictures
  • 2 transcripts

The main objectives of this lesson are to:

  • describe a top experience with the + superlative + I've ever: It's the longest cave I've ever seen.
  • use the pattern with every person: the darkest place she has ever been, the loudest echo they've ever heard
  • ask about other people's top experiences: What's the strangest thing you've ever eaten? Who's the funniest person you've ever met?
  • plan a short online review: a title with a superlative, the stars, the details in the past simple and a tip

Lesson 3 is the third lesson of Wonders of nature, unit 1 of English A2.2 · Curious Minds. It joins the superlatives of A2.1 lesson 14 (the hottest, the highest, the most…) to the present perfect with ever from lesson 1, and its task, an online review, is built in the chat and the homework. Lesson 4 closes the unit with articles in place names. In a cave with more than 400 mapped miles, the longest cave I've ever seen is simply true.

Spin-the-wheel questions about caves, the dark and reviews open the lesson, followed by ten word cards with pictures and audio, from crawl and echo to bluegrass and banjo. The show's post covers the cave's mapped miles, its age and its steady 54°F, with comments on burgoo and Kentucky colonels. Students then hear Maya on a tour with Malik, a guide who turns off the lights (an AI-voiced dialogue), and a viewer's question from Oregon. Four self-checking drills follow the scheme, among them a table of I've ever seen and she's ever heard. To speak, students build a five-star review with Nora in a chat, then open boxes about the best food they've ever eaten or the darkest place they've ever been.

The nine homework exercises all check themselves: vocabulary games, gaps for the full pattern, sentences to unjumble, two sorts for building a review, three short reviews with options to choose and Penny's review with words to drag in.

Grammar:
superlative + present perfect · the best … I've ever … · What's the … you've ever …? · past participles
Topic:
Mammoth Cave · Kentucky · caves · national parks · burgoo · bluegrass · Kentucky colonel · Curious Minds

Teaching tips

  • Collect the class's bests on the board: everyone finishes The best food I've ever eaten is … or The strangest place I've ever been is …, and the class votes for the most surprising answer.
  • Dim the classroom lights before the dialogue, if it's safe, and ask how dark it is. Then play the tour, where the guide turns off the cave lights, and listen for the darkest place I've ever been.
  • Refresh -est and the most quickly before the scheme: call out long, funny, big and beautiful, and students answer with the superlative.
  • Bring a real online review of a local place before the chat and find its parts together: the title, the stars, the details and a tip. The chat with Nora builds the same parts.

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The whole course: English A2.2 · Curious Minds

32 lessons that pick up where English A2.1 ends, in simple American English, from the present perfect to used to, have to and relative clauses. Eight units cover nature, tech at home, heroes, healthy habits, fashion, school, animals and traditions. Pictures and definitions replace translations, and the practice exercises check themselves.See the course

  1. Unit 1 Wonders of nature

    the present perfect with ever and never, been to, superlatives with I've ever, articles with place names

    1. Lesson 1Have you ever seen the sky dance?The present perfect for experiences
    2. Lesson 2Have you been to the Grand Canyon?Present perfect vs past simple
    3. Lesson 3 · you're hereThe longest cave in the worldSuperlatives with the present perfect
    4. Lesson 4The first national parkArticles with place names

  2. Unit 2 Clever tech at home

    the present perfect with just, already and yet, phrasal verbs, subject and object questions

    1. Lesson 5The chocolate bar that meltedThe present perfect with just
    2. Lesson 6Has my lunch arrived yet?Already and yet with the present perfect
    3. Lesson 7Turn it on, turn it offPhrasal verbs with it and them
    4. Lesson 8The girl who tests waterSubject and object questions

  3. Unit 3 Everyday heroes

    the past continuous, when and while, adjective order, story linkers

    1. Lesson 9When the pager beepsThe past continuous with was and were
    2. Lesson 10The man who planted apple treesPast continuous and past simple with when and while
    3. Lesson 11What's in the lost and found?The order of adjectives
    4. Lesson 12The dogs who saved NomeStory linkers

  4. Unit 4 Healthy and happy habits

    will for predictions, the zero and first conditionals, so do I and neither do I

    1. Lesson 13Why does school start later in California?Will and won't for predictions, decisions and offers
    2. Lesson 14Brain freeze!The zero conditional for facts
    3. Lesson 15Doctor's orders: go to the park!The first conditional with if and will
    4. Lesson 16Walking in the mall at 7 a.m.Agreeing with So do I and Neither do I

  5. Unit 5 Style through time

    used to, didn't use to, made of and made from, still and not anymore

    1. Lesson 17Why did everyone use to wear a hat?Used to for past habits and states
    2. Lesson 18Jeans used to be work clothesUsed to in negatives and questions
    3. Lesson 19Quilts made from old clothesMade of, made from and made by
    4. Lesson 20Cowboy boots, still made by handStill, not anymore and no longer

  6. Unit 6 School in America

    have to, must and mustn't, be allowed to, had to

    1. Lesson 21Do you have to wear a uniform?Have to and don't have to for rules
    2. Lesson 22Stop for the yellow bus!Must, mustn't and don't have to
    3. Lesson 23A class trip to the SmithsonianBe allowed to and can for permission
    4. Lesson 24One room, one teacher, every gradeHad to and didn't have to for past duties

  7. Unit 7 Amazing animals

    relative clauses with which, that, who and where, look and sound + adjective, adjectives with prepositions

    1. Lesson 25The bird that copies car alarmsRelative clauses with which and that
    2. Lesson 26Alligators and crocodiles togetherWho, which, that and where in relative clauses
    3. Lesson 27Sailors thought it was a mermaidLook, sound and feel as linking verbs
    4. Lesson 28Beagles at the airportAdjectives with prepositions

  8. Unit 8 Traditions we love

    invitations, will vs going to, so and such, one and ones

    1. Lesson 29Come to our cookout!Making, accepting and refusing invitations
    2. Lesson 30Is spring going to come early?Will vs going to for the future
    3. Lesson 31From turnips to pumpkinsSo and such for emphasis
    4. Lesson 32Giant balloons over ManhattanOne and ones in place of a noun

Questions about this lesson

What is a past participle?
A past participle is the verb form used after have and has: I've seen, she has eaten, we've met. Regular verbs add -ed, like the past simple (crawled, visited), while irregular verbs have forms to learn: see, saw, seen; eat, ate, eaten. It's also called the third form of the verb. The A2 lesson The longest cave in the world on edio.ai drills it in the best stew I've ever eaten.
How do you form superlatives?
Most short adjectives take the and the ending -est: the longest, the darkest. The spelling changes after -e (the strangest), after one vowel and one consonant (the biggest) and after a consonant + y (the funniest). Longer adjectives take the most (the most beautiful), and good and bad become the best and the worst. Never combine the two: the most longest is wrong.
How do you use "the best … ever"?
Put the best before a noun and finish with I've ever + past participle: It's the best stew I've ever eaten. He's the best guide we've ever had. In casual speech, the best … ever drops the person and the verb: the best day ever! Any superlative fits the same frame: the longest cave I've ever seen, the worst coffee I've ever had.
How do you use superlatives with the present perfect?
Use a superlative and a noun, then I've ever plus a past participle: It's the longest cave I've ever seen. The present perfect sets the group, everything in your life so far, and the superlative picks its top. Change the person as needed: the darkest place she has ever been, the loudest echo they've ever heard. Questions keep the same order: What's the strangest thing you've ever eaten?
How do you ask about someone's best experience in English?
Ask What's the + superlative + noun + you've ever and a past participle: What's the best food you've ever eaten? What's the coolest place you've ever been? Who's the funniest person you've ever met? After the noun, the words stay in statement order, so …food have you ever eaten? is wrong. Answer with the same pattern: Burgoo! It's the best stew I've ever had.
Is it "the best I've ever had" or "the best I ever had"?
Both are heard in American English, but the best I've ever had, with the present perfect, is the standard pattern: It's the best stew I've ever had. The best I ever had uses the past simple and sounds more casual, like the best pizza I ever ate. What is always wrong is a participle without have: the best I ever seen, the longest cave I ever seen.
Is it "the longest cave I've ever seen" or "I've never seen"?
It's I've ever seen: a superlative takes ever. Ever means at any time in your life, so the longest cave I've ever seen says no other cave tops it. The longest cave I've never seen would describe caves you haven't seen, which makes no sense here. Questions work the same way: What's the coolest thing you've ever seen?
What goes into a good online review?
A good online review has a title, a star rating, the details and a tip: The best day I've ever had! Five stars! Last summer, we swam and played volleyball. Bring a hat and a lot of water! The title often uses a superlative, the details take the past simple, and an honest review names one bad thing. The chat in The longest cave in the world on edio.ai builds a review in these steps.
How do I teach superlatives with the present perfect?
Refresh superlatives first, then add I've ever as a tail: the longest cave, then the longest cave I've ever seen. Students know both halves already, so the new step is the join. Personal bests make it stick: the best food, the strangest thing and the darkest place each student remembers. The longest cave in the world on edio.ai sets the pattern in a cave tour before the scheme and the drills.
What's a good game for practicing superlatives with ever?
Open boxes of personal-best questions make a good game: What's the best food you've ever eaten? What's the darkest place you've ever been? The student who opens a box answers with the full pattern, then asks a partner the same question. To raise the stakes, the partner guesses the answer before hearing it. A spin-the-wheel round of easier questions works as a warm-up.
What's good homework for practicing superlatives with the present perfect?
Good homework has students build the whole pattern, not single words: gaps for both the superlative and the participle (the funniest guide we've ever met), sentences to unjumble and phrases to sort into 5-star and 1-star reviews. In The longest cave in the world, an A2 lesson on edio.ai, nine homework exercises like these check themselves, ending with a review to complete by dragging words into gaps.
Are there interactive exercises for superlatives with ever?
Yes: gap-fills and chats that check every answer suit this pattern well. On this page, four parts of The longest cave in the world, an A2 lesson on edio.ai, play without an account: the show's post on Mammoth Cave, Maya's tour with a guide who turns off the lights, a gap-fill that asks for the past participle (crawled, heard, met) and a chat that builds an online review with Nora. Everything else is locked.
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