Exercise 2. Поставьте глаголы в форму Present Perfect, а полученное предложение - в вопросительную и отрицательную формы:
I (do)
He (work)
She (sleep)
We (go)
They (drink)
Nick (write)
You (have)
We (be)
Exercise 3. Раскройте скобки. Употребляя глаголы в Present Perfect или Past Simple:
I already (to do) my homework. Now I can go for a walk.
I (to do) my homework yesterday.
He just (to come) home.
He (to come) home a minute ago.
We already (to solve) the problem.
I (to read) this book last year.
I’m sorry. I (not to do) my homework.
He is not at school today. He (to fall) ill. – When he (to fall) ill? – He (to fall) ill yesterday.
The rain (to stop) but a cold wind is still blowing.
They (not yet to come) from the south.