Think about the differences betwen Present Perfect and Past Simple and do the next exercises. 

Упражнение 1. Раскройте скобки, чтобы получить Present Perfect или Past Simple.

1.       I … (do) this exercise before.

2.     I … (do) this exercise tw0 minutes ago.

3.     We … (go) to school since the first form. .

4.     We … (go) to school yesterday.

5.     You … ( see) a horse last week.

6.     You … (never/ see) a horse.

7.     He … (just/say) that.

8.     He …  (say) that a minute ago.

9.     They … (already/ have) breakfast.

10.  They … ( have) breakfast at 2 o’clock.

Упражнение 2. Перепишите предложения, используя Present Perfect or the Past Simple.

ПРИМЕР. I am writing a letter to my cousin, (already, yesterday).

I have already written a letter to my cousin.

I wrote a letter to my cousin yesterday.

1. Mother is bringing our tea. (a few minutes ago; not yet)

2. The bell is ringing. (just; some minutes ago)

3. He is going to London in a few days. (already; last week)

4. The boys are playing football in the yard now. (yesterday; many times)

5. Anna is reading a new novel by Chekhov. (this month; last year)

6. Students are cleaning their classrooms. (already; last Saturday)

7. The teacher is explaining a new rule. (just, at the last lesson)

8. Ann is doing the flat. (just; on Friday)

9. They are discussing this plan again. (many times; a few days ago)

10. Granny is making a birthday cake. (just; yesterday)