`1.` was

`2.` were

`3.` was

`4.` was

`5.` were

`6.` were

`7.` were

`8.` were 

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`-` Cấu trúc thì QKĐ với dạng tobe: S + was/were + ....

*Các chủ ngữ là: You/We/They/ N số nhiều thì dùng với "were"

*Các chủ ngữ là: He/She/It/N số ít thì dùng với "was"

*Chủ ngữ là: "I" thì dùng was 

1. I was in Canberra last spring.

`→`Do I ở đây là số ít nên dùng was

2. We were at school last Saturday.

`→`We/you/they + were 

3. Tina was at home yesterday.

`→`Do chỉ có mỗi tina thôi nên ta dùng was

4. He was happy last time.

`→`Dịch: Anh ấy đã hạnh phúc thời gian trước

5. Robert and Stan were Garry's friends a month ago.

`→`Robert and Stan là 2 người và là số nhiều nên ta dùng were

6. You were very busy on Friday.

`→`We/you/they + were 

7. They were in front of the supermarket half an hour ago.

`→`We/you/they + were 

8. The children were late for school this morning. 

`→`"The children" mang nghĩa là số nhiều nên ta dùng were