Ever & Never & Just & Already & Yet

We often use ever, never, just, already, yet, for, since time expressions with the present perfect tense.

Subject Explanations:

Ever Never Already Just Yet (with exercise) -

Present Perfect Tense

Subject Exercises:

Ever / Never / Just / Already /Yet / Since / For
Ever / Never / Just / Already / Yet / Since / For 2
Ever / Never / Just / Already / Yet / Since / For 3
Perfect Tense Time Expressions Exercise 3
Already / Just / Yet

Try the Subject Video Exercise

Ever

We use "ever" in interrogative sentences:

a. Have you ever been to the United States?
b. Have you ever traveled by train?
c. Have you ever failed a class?

Never

We use "never" in affirmative sentences: but the meaning is negative.

a. I have never cheated in an exam.
b. My son has never been to Moscow.
c. My brother has never visited London before.

We use "just" to express a recently completed action.

a. The cat has just caught a bird.
b. The guests have just arrived.
c. I have just finished my homework.

Already

We use "already" to express that something has happened sooner than expected.

a. Don't forget to bring your book! Oh, I have already brought it.
b. The boys are going to pack, aren't they? No. They have already packed.
c. Is Adam going to buy a new car? No, he isn't. He has already bought it.

Yet

We use "yet" in interrogative and negative sentences and it suggests a time later than expected.

a. Have you done your homework? No, I haven't done it yet.
b. Has your father seen your report? No, he hasn't seen it yet.
c. Have the visitors arrived? No, they haven't arrived yet.

Also See:

Present Perfect Tense
Another exercise with already / just / yet