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  • Hi, everyone. I'm Esther.

  • We're now doing a checkup for the present perfect tense.

  • We're going to do a lot of practice questions,

  • so let's get started.

  • For this checkup, we'll take a look at the present perfect tense.

  • Which describes an action that happened at

  • an unknown or indefinite time in the past.

  • Let's look at the first sentence.

  • 'She _blank_ read that book.'

  • The subject in this sentence is 'she'.

  • For he/she/it, in this tense we say, 'has'.

  • 'She has'.

  • Now, take a look at the verb.

  • It looks like 'read'.

  • But remember we need to use the past participle of the verb.

  • So It's actually 'read'.

  • 'read' and 'read' are spelled the same.

  • 'She has read that book.'

  • The second sentence says, 'They _blank_ visit China.'

  • 'visit' is the verb that you want to use here.

  • For 'I', 'you', 'we' and 'they', we use 'have'. Not 'has'.

  • 'They have'

  • Now, what's the past participle of visit?

  • The answer is 'visited'.

  • 'They have visited China.'

  • Next, 'We _blank_ see that concert.'

  • Again, for 'I', 'you', we' and 'they' – we use 'have'.

  • 'We have'. Now, the past participle of 'see' is 'seen'.

  • 'We have seen that concert.'

  • Now, let's look for the mistake in the next sentence.

  • 'Rick have been to Cuba.'

  • Take a look at the subject, 'Rick'.

  • Rick is a 'he'.

  • So instead of 'have', we need to change this to 'has'.

  • 'Rick has been to Cuba.'

  • 'Sally and I hasn't finished work.'

  • The subject in this sentence is 'Sally' and 'I'.

  • The pronoun for that is 'we'.

  • 'We hasn't finished work.'

  • That still sounds weird, right?

  • We have to change this to 'have not' or the contraction 'haven't'.

  • And finally, 'I did go to the doctor.'

  • Now this sentence makes sense, but it's not the present perfect tense.

  • We have to change it.

  • Remember, we use 'have' for the subject, 'I'.

  • But we're not done.

  • What is the past participle of 'go'?

  • It is 'gone'.

  • 'I have gone to the doctor.'

  • Great job. Let's move on to the next checkup.

  • In this checkup, we'll talk about the present perfect tense

  • and how it can be used to describe an action that started in the past and is still true today.

  • The first sentence says, 'I _blank_ known Carly since 1994.'

  • The subject is 'I'.

  • And we already have the past participle of the verb, 'know'.

  • Which is 'known'.

  • What are we missing?

  • The correct answer is 'have'.

  • For 'I', 'you', 'we' and 'they', we use 'have' after the subject.

  • The next sentence says,

  • 'He has been here _blank_ 2 p.m.'

  • Now the first part is all there.

  • 'He has been'.

  • However, remember that for the present perfect tense,

  • we use 'for' or 'since' to talk about how long that action has been true.

  • In this case, we use 'since'.

  • Because 2 p.m. is a specific period in time.

  • Next it says, 'She _blank_ liked Tom since June.'

  • The subject is 'she'.

  • And we have the past participle of the verb 'like', which is 'liked'.

  • What are we missing?

  • Again, we need 'have' or 'has'.

  • Because the subject is 'she'...

  • Can you figure out which one you need?

  • The correct answer is 'has'.

  • 'She has liked Tom since June.'

  • Now, I want you to find a mistake in the next sentence.

  • 'I have worked here six months ago.'

  • Can you find a mistake here?

  • 'I have worked' - that's correct.

  • However, in the present perfect tense, we don't use 'ago'.

  • This is talking about more the past.

  • We want to talk about 'since' or 'for' instead.

  • Now 'six months' is not a specific time. So we don't use 'since'.

  • Instead, we talk about the duration. So we need 'for'.

  • We'll say, 'I have worked here for six months.'

  • Let's take a look at the next sentence.

  • 'Jen have a cold for two weeks.'

  • At first glance, this doesn't seem that wrong.

  • But remember, Jen is a 'she'.

  • So we need 'has'.

  • 'Jen has'.

  • But wait a minute, 'Jen has have a cold'?

  • That's not right either.

  • We need the past participle of 'have'.

  • What is the past participle?

  • The correct answer is 'had'.

  • 'Jen has had a cold for two weeks.'

  • And finally, 'We haven't went home since Friday.'

  • This one is a little tricky.

  • The subject is 'we'.

  • 'We have... have not'. That's correct.

  • The contraction is 'haven't'. 'We haven't'.

  • Now the problem is, we have this verb 'went'.

  • That's in the past simple tense.

  • We need the past participle of 'go'.

  • The correct answer is 'gone'.

  • 'We haven't gone home since Friday.'

  • Good job, guys. Let's move on to the next checkup.

  • In this checkup, we'll take a look at the present perfect tense.

  • And how it is used to describe an action that finished recently.

  • We'll be focusing on the words, 'just', 'already' and 'recently' to show this.

  • Let's take a look at the first sentence.

  • 'She has just _blank_ that book.'

  • And we're using the verb, 'read'.

  • Remember, we take the subject, 'she'.

  • And for 'he', 'she' and 'it', we say 'has'.

  • So that's correct.

  • Now we need the past participle of 'read'.

  • And that is 'read'.

  • 'She has just read that book.'

  • You'll notice I use the word, 'just' right before the past participle.

  • Next it says, 'They have already' and the verb is 'wake up'.

  • If the subject is 'he', 'she', or 'it', we use 'has'.

  • But if the subject is 'I', 'you', 'we' or 'they', we use 'have'.

  • So that's correct. 'They have'.

  • Also we have the word 'already' here to show that it happened recently

  • or that it finished recently.

  • Now the verb is 'wake up'.

  • We need the past participle of 'wake up',

  • and that is 'woken up'.

  • So the answer is,

  • 'They have already woken up.'

  • The next sentence says,

  • 'We have recently _blank_ work.'

  • And the verb is 'finish'.

  • 'We have', that's correct.

  • And we have the word 'recently' to show when the action finished.

  • And now we need to find the past participle of the verb 'finish'.

  • The correct answer is.

  • 'We have recently finished, -ed, work.'

  • Now try to find the mistake in the next sentence.

  • 'Morty has eaten just.'

  • This sounds a little strange, right?

  • That's because 'just' needs to come before the verb.

  • Therefore, the answer is 'Morty has just eaten.'

  • The next sentence says, 'Karen has recently be sick.'

  • Karen is a 'she'.

  • So 'has' is correct.

  • And there we have 'recently'.

  • Now we need the past participle of the verb.

  • 'be' is our verb and the past participle of 'be' is 'been'.

  • 'Karen has recently been sick.'

  • And finally, 'I have gone already to the dentist.'

  • This is similar to another question we looked at just before.

  • 'I have gone already to the dentist.'

  • The placement of 'already' is a little awkward.

  • So we can say, 'I have already gone.'

  • So we can put 'already' before the verb,

  • 'I have already gone to the dentist'

  • Or we can put this at the end,

  • 'I have gone to the dentist already.'

  • Both of those are correct.

  • Now, good job.

  • That is the end of the checkup.

  • Let's move on.

  • Excellent job, everyone.

  • You just learned about the present perfect tense.

  • There was a lot to learn, but you did a wonderful job.

  • Keep studying English.

  • I know that It's hard, but you will get better with time, effort and practice.

  • I'll see you in the next video.

Hi, everyone. I'm Esther.

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現在完了形の練習|英文法講座#6|CheckUp (Practice Present Perfect Tense | English Grammar Course #6 | CheckUp)

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    Summer に公開 2021 年 01 月 14 日
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