`**` Cấu trúc nguyên bài thì quá khứ đơn với động từ tobe: 

`-` was: he , she,  it, danh từ số ít

`-` were : they , we, you , danh từ số nhiều 

`**` Was/ Were + S +…?

`**` What/who + verb (past form) + …?

`**`Wh- question word + auxiliary verb (past form) + S+ V +…?

1. where were you yesterday ?

`-` DHNB: yesterday

2. Were they at the cinama?

3.Who was your favorite actor ?

4.Was she a maths teacher ?

5. When were they born?

6. Was he famous in the 1940s ?

`-` DHNB: in 1940s