Question

Поставьте глаголы, стоящие в скобках, в зависимости от смысла, в Present Indefinite, Present Continuous, Present Perfect или Present Perfect Continuous: 1. Mary (to learn) French at the University. She (to learn) English since last autumn. 2. They are busy now. They (to discuss) an important question. They (to discuss) it since five o'clock. 3. Where is John? - He (to work) in the library. - He (to work) long? - Yes, he (to work) since morning. 4. My son (to be) in hospital. He (to be) there for ten days. 5. Mr. Ivanov (to teach) French. He is a very experienced teacher. He (to teach) French for fifteen years. 6. I (to know) Jack well. - Since when you (to know) him? - I (to know) him since 1970.

Answer 1

1. Mary learns French at the University. She has been learning English since last autumn. 2. They are busy now. They are discussing an important question. They have been discussing it since five o'clock. 3. Where is John? - He is working in the library. – Has he worked long? - Yes, he has been working since morning. 4. My son  was in hospital. He has been there for ten days. 5. Mr. Ivanov teaches French. He is a very experienced teacher. He has been teaching French for fifteen years. 6. I know Jack well. – Since when has you known him? - I have known him since 1970.

Answer 2

1. Mary learns French at the University. She has been learning English since last autumn.
2. They are busy now. They are discussing an important question. They have been discussing it since five o'clock.
3. Where is John? - He works in the library. - Has he been working long? - Yes, he has been working since morning.
4. My son is in the hospital. He has been there for ten days.
5. Mr. Ivanov teaches French. He is a very experienced teacher. He has been teaching French for fifteen years.
6. I know Jack well. - Since when have you known him? - I have known him since 1970.