1. She has been playing) poker since morning. 2. What have you (been doing) for 2 hours already? 3. John (had been working) on this problem for a week when the delegation of foreign experts arrived at the institute. 4. How long have you (been fishing) here? Have you caught anything? 5. My mother (has been growing) this sort of tomatoes for 5 years already. 6. I (shall have been reading) this book for a week before I return it to the library. 7. That strange man (has been standing) at the corner since early morning. 8. How long had this man (been waiting) for you at the station before you met? 9. I (shall have been studying) English for 2 months before the following exam. 10. I (had been shopping) in the supermarket for half an hour when I lost my wallet.
1 The boys broke the window yesterday. Did the boys break the window yesterday? The boys didn't break the window yesterday. 2 Ann watched TV yesterday. Did Ann watch TV yesterday? Ann didn't watch TV yesterday, 3 We drew funny pictures last week. Did we draw funny pictures last week? We didn't draw funny pictures last week. 4 He wrote stories about our favourite characters. Did he write stories about our favourite characters? He didn't write stories about our favourite characters. 5 They visited the exhibitions last month. Did they visit the exhibitions last month? They didn't visit the exhibitions last month. 6 He worked at a plant last year. Did he work at a plant last year? He didn't work at a plant last year. 7 We went to the library yesterday. Did we go to the library yesterday? We didn't go to the library yesterday.
2. What have you (been doing) for 2 hours already?
3. John (had been working) on this problem for a week when the delegation of foreign experts arrived at the institute.
4. How long have you (been fishing) here? Have you caught anything?
5. My mother (has been growing) this sort of tomatoes for 5 years already.
6. I (shall have been reading) this book for a week before I return it to the library.
7. That strange man (has been standing) at the corner since early morning.
8. How long had this man (been waiting) for you at the station before you met?
9. I (shall have been studying) English for 2 months before the following exam.
10. I (had been shopping) in the supermarket for half an hour when I lost my wallet.
2 Ann watched TV yesterday. Did Ann watch TV yesterday? Ann didn't watch TV yesterday,
3 We drew funny pictures last week. Did we draw funny pictures last week? We didn't draw funny pictures last week.
4 He wrote stories about our favourite characters. Did he write stories about our favourite characters? He didn't write stories about our favourite characters.
5 They visited the exhibitions last month. Did they visit the exhibitions last month? They didn't visit the exhibitions last month.
6 He worked at a plant last year. Did he work at a plant last year? He didn't work at a plant last year.
7 We went to the library yesterday. Did we go to the library yesterday? We didn't go to the library yesterday.