CT QKĐ với tobe :

`(+)` S + were/was

`(-)` S + weren't/wasn't

`(?)` Were/Was + S?

Đáp án :

`1.` He was a journalist last year

`→ (-)` He wasn't a journalist last year.

`→ (?)` Was he a journalist last year?

`2.` They were good people 2 years ago

`→ (-)` They weren't good people 2 years ago

`→ (?)` Were they good people 2 years ago?

`3.` Mary was a good doctor yesterday

`→ (-)` Mary wasn't a good doctor yesterday

`→ (?)` Was Mary a good doctor yesterday?

`4.` He was a doctor last year

`→ (-)` He wasn't a doctor last year

`→ (?)` Was he a doctor last year?

`5. `They were students last year

`→ (-)` They weren't students last year

`→ (?)` Were they students last year?

`6.` Hoa and Lan were at home yesterday

`→ (-)` Hoa and Lan weren't at home yesterday

`→ (?)` Were Hoa and Lan at home yesterday?

1) He wasn't a journalist last year.

    Did he be a journalist last year?

2) They weren't  good people 2 years ago

   Did they be good people 2 years ago?

3)Mary wasn't a good doctor yesterday

  Did Mary be a good doctor yesterday?

4)He wasn't a doctor last year

   Did he be a doctor last year?

5)They weren't  students last year

Did they be students last year?

6) Hoa and Lan weren't at home yesterday

Did Hoa and Lan be at home yesterday?