giúpppppppppppp với ạ

Công thức thì QKĐ: (V: to be)

(+) S+ was/were ...

(-) S + was/were  +not ... 

(?) Was/Were + S+ ... ?

S số ít, I, he, she ,it + was

S số nhiều, you, we, they + were 

Công thức thì QKĐ (V: thường)

(+) S + V2/ed 

(-) S + didn't + V1 

(?) Did + S+ V1?

DHNB: ago, yesterday, last (month, week, year,...), this morning, in + năm quá khứ ,....

------------------------------------

1. wasn't 

DHNB: yesterday

2. weren't 

DHNB: yesterday

3. left 

DHNB: this morning 

4. was 

DHNB: in 2001

5. told 

DHNB: yesterday 

6. didn't have 

7. didn't know 

8. bought 

DHNB: yesterday 

#STMIN