`1.` I was in Chicago last week

`2.` Tom and Carol were at a basketball game last night

`3.` Where were you yesterday ?

`4.` Stephanie and Kim weren't in class on Tuesday

`5.` Was David at the party on Friday night ?

`6.` Tameka wasn't tired in the morning

`-` Công thức thì Quá Khứ Đơn :

- Với động từ tobe

`(+)` I/You/We/They/ N số nhiều + were + O ...

        She/He/It/ N số ít + was + O ...

`(-)` I/You/We/They/ N số nhiều + were not/weren't + O ...

       She/He/It/ N số ít + was not/ wasn't + O ...

`(?)` Was + She/He/It/ N số ít + O ... ?

       Were + I/You/We/They/ N số nhiều + O ... ?

- Với động từ thường : 

`(+)` S + Ved/V2 + ...

`(-)` S + did not / didn't + Vinf + ...

`(?)` Did + S + Vinf + ... ?

`-` Dấu hiệu nhận biết: ago, yesterday, last night, last month, in + thời gian quá khứ,...

Rewrite the sentences. Use the past of be and the words in parenthese

2. Tome and Carol were at a basketball game last night

3. Where were you yesterday?

4. Stephanie and Kim weren’t in class on Tuesday

5. Was David at the party on Friday night?

6. Tameka wasn’t tired in the morning

=> Thay = was với chủ ngữ số ít

=> Thay = were với  chủ ngữ I và số nhiều