Put the verbs in the correct tense form (Present Simple, Present Continuous, Present Perfect, Present Perfect Continuous):
1. I ____________ ( to work) on the problem for two months.
2. "Where's Fred?" - ""He ___________ (to work) in the garden.
3. He _______________ (to plant) rose bushes since dawn?
4. I _________________ (to collect) the pictures with bridges since I graduated from the University.
5. I _________________ (to collect) enough pictures to organize an interesting exhibition.
6. Those people ___________ (to wait) for a tram for the last 15 minutes.
7. What ____________ (to happen) to Mary?
8. John ____________ (to ring) Mary up the whole evening and nobody _________ (to answer)
9. Why you _______ (to turn) off the radio?
10. I _____________ (to write) a letter now.
11. After Maria _______________ (to finish) her studies, she plans to work in her father's firm.
12. I _______________________ (to be) to the library four times this monts, but I _______________ (not to borrow) a single book.
Ответы
Ответ:
1. I have been working on the problem for two months.
(Present Perfect Continuous. For two months -показывает процесс, который длится уже 2 месяца)
2. "Where's Fred?" - ""He is working in the garden.
(Where is Fred?-Где Фред?показывает, что действие происходит в данный момент)
3. Has he been planting rose bushes since dawn?
(Он высаживает кусты роз с рассвета? Процесс, начавшийся с опред.времени)
4. I have been collecting the pictures with bridges since I graduated from the University.
(Указана начальная точка отчета, когда он начал собирать картинки с мостами)
5. I have collected enough pictures to organize an interesting exhibition.
(Собрал, чтобы организовать выставку. Важен результат в настоящем)
6. Those people have been waiting for a tram for the last 15 minutes.
(15 мин ждут-процесс начался в прошлом и длится до сих пор)
7. What has happened to Mary?
(Важен результат в настоящем)
8. John has been ringing Mary up the whole evening and nobody has answered.
(Джон звонил Мэри весь вечер, и никто не ответил.)( День еще не закончился)
9. Why have you turned off the radio?
(Важен результат в настоящем)
10. I am writing a letter now.
(Now - сейчас)
11. After Maria has finished her studies, she plans to work in her father's firm.
(После того как закончит. Условное предложение. После after+Present Perfect)
12. I have been to the library four times this monts, but I have not borrowed a single book.
(Этот месяц еще не закончился)
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