1. open the brackets: 1) we (to bring) hand-made sweets to her yesterday.2) this train always (to leave) at 4.3) mother (to knit) a new dress right now.4) my grandparents (not to buy) a new television yet.5) when i came in, my friends (to discuss) football matches.6) i hope he (to spell) this word correctly tomorrow.7) squirrels often (to play) in springs.8) as usual they (to draw) pictures yesterday at 12 o'clock.9) ann (to clean) the carpet today.10) the dog (to guard) his sleeping master yesterday.2. make up questions: 1) she has written a letter already. (what? )2) jack was repairing furniture at 5 o'clock. (where? )3) the teacher greets the children every day. (how often? )4) we will wish you "happy new year" tomorrow. (when? )5) the children decorated the christmas tree yesterday. (when? )6) they are dancing now. (where? )3. ask five types of questions: general, special, subject, alternative, tag. birds sing songs in spring.

ответ:

1. brought

2. leaves

3. is knitting

4. haven't brought

5. are discussing

6. will spell

7. play

8. drew

9. cleaned ( will clean )

10. guarded

1. what has already she written &

2. where was jack repairing furniture at 5 o'clock &

3. how often the teacher greets the children &

4. when will u wish "happy new year" &

5. when the children decorated the christmas tree &

6. where are they dancing now &

1. do birds sing songs in spring & 2. when birds sing songs & 3. who sing songs in spring & 4. do birds or crocodiles sing songs in spring & 5. birds sing songs in spring, don't they &

объяснение:

1)мы знаем,что он работает над проблемой космической связи. 2)если вы совершите,даже малейшую ошибку на компьютерном языке, разговор не получится, и вы обязаны начать с заново.3)читальный зал библиотеки конгресса занимает большая коллекция справочников.

)have you been

2)i have already visited

3)have u done

4)waked,went

5)i have already tried

6)i havent visited,havent visited