Open the brackets and use the proper grammar tense (Active Voise) 1)When I (to come) to my friend last week, he (to prepare) for the exam. Today he ( to pass) it successfully
2) I ( to give) you the material for your report, if you (to come) to me in the evening
3) What he (to do) yesterday from nine till twelwe?
He ( to sleep) at that time, because he (to dance) at the disco for all night
4) In the morning the rain already( to stop), but the strong wind still ( to blow)
5) Usually she( to spend) the vocation at the sea. Last year she (to decide) to rest in the mountains

1. If it rains, I will stay at home.

2. If the weather is not fine, I will stay at home.

3. You will fall ill if you do not wear warm clothes.

4. Jack won't miss the train if he gets up early.

5. After mother irons my blouse, I will put it on.

6. If Helen wears this fur coat every day, it will become dirty soon.

7. After the clock strikes 12, the New Year will come.

8. Write to me when you arrive in Brussels

9. I will buy a new mobile if I win a lottery

10. As soon as he arrives, he will do it

11. Just sit here till I come.

1) won't they?

2) doesn't they?

3) shouldn't they?

4) can't they?

5) did they?

6) aren't they?

Если первая часть вопроса утвердительная, то «Tag» − отрицательный. И наоборот: если первая часть вопроса отрицательная, то «Tag» — положительный.

1. Если в первой части предложения присутствуют вс или модальные глаголы (is, are, has got, have got, can. must, should, ought to, will, shall), а также глаголы to be или to have (в значении «обладать»), то в «хвостике» будут использоваться эти же самые глаголы, но с противоположным знаком.

Но есть некоторые исключения. Доспустим, если в первой части I am, то в хвостике будет aren't I. Есть ещё несколько исключений. Если интересно, то поищи в интернете