IV. Choose the best answer: 1. They ................... students yesterday. A. am B. is C. was D. were 2.They ............. doctors two years ago. A. am B. is C. was D. were 3. They ............... farmers last month. A. are B. is C. was D. were 4. We ....... nurses yesterday. A. am B. is C. was D. were 5. The weather ........ cold yesterday. A. am B. is C. was D. were 6. I .........a pupil last week. A.aren’t B. isn’t C. wasn’t D. weren’t 7. My parents........teachers two years ago. A. am B. is C. was D. were 8. ... he an engineer yesterday. No, he ...... A.is/ isn’t B.are/aren’t C.was/wasn’t D.were/weren’t 9. .......It hot last week? A. am B. is C. was D. were 10. Where ......Nam from yesterday? A. am B. is C. was D. were
2 câu trả lời
1. They ................... students yesterday. A. am B. is C. was D. were
=> Vì đây là thì quá khứ, chọn were vì they là danh từ số nhiều.
2.They ............. doctors two years ago. A. am B. is C. was D. were
=> Đây cũng là thì quá khứ vì có dấu hiệu nhận biết: two years ago; và chọn were vì they là danh từ số nhiều.
3. They ............... farmers last month. A. are B. is C. was D. were
=> Đây cũng là thì quá khứ vì có dấu hiệu nhận biết: last month; và chọn were vì they là danh từ số nhiều.
4. We ....... nurses yesterday. A. am B. is C. was D. were
=> Đây cũng là thì quá khứ vì có dấu hiệu nhận biết: yesterday; và chọn were vì we là danh từ số nhiều.
5. The weather ........ cold yesterday. A. am B. is C. was D. were
=> Đây cũng là thì quá khứ vì có dấu hiệu nhận biết:yesterday; ta chọn was vì the weather là danh từ số ít.
6. I .........a pupil last week. A.aren’t B. isn’t C. wasn’t D. weren’t
=> Đây cũng là thì quá khứ vì có dấu hiệu nhận biết: last week; ta chọn wasn't vì the I là danh từ số ít.
7. My parents........teachers two years ago. A. am B. is C. was D. were
=> Đây cũng là thì quá khứ vì có dấu hiệu nhận biết:two years ago; và chọn were vì My parents là danh từ số nhiều.
8. ... he an engineer yesterday. No, he ...... A.is/ isn’t B.are/aren’t C.was/wasn’t D.were/weren’t
9. .......It hot last week? A. am B. is C. was D. were
10. Where ......Nam from yesterday? A. am B. is C. was D. were
chúc bạn học tốt nhé!
`1` D
`2` D
`3` D
`4` D
`5` C
`6` C
`7` D
`8` C
`9` C
`10` was
Giải thích
Cấu trúc thì QKĐ với tobe
`(+)` S + was/were + N/adj...
`(-)` S + was/were + not + N/adj...
`( ? )` Was/were + S + N/adj ?
`+` TL : No , S + weren't / wasn't
Yes . S + was/were
`->` Với WH_Q questions : WH_Q + was/were + S + N/adj..?