(+) Quá Khứ đơn với tobe 

- She was at her school yesterday.

- They were in the stadium 2 days ago.

(-) Quá Khứ đơn với tobe 

- She wasn't at her school yesterday.

- They weren't in the stadium 2 days ago.

(?) Quá Khứ đơn với tobe 

- Was she at her school yesterday?

- Were they in the stadium 2 days ago?

.

(+) Quá Khứ đơn với V_ed

- I played tennis last weekend.

- My mother cooked dinner yesterday.

(-) Quá Khứ đơn với V_ed

- I didn't play tennis last weekend.

- My mother didn't cook dinner yesterday.

(?) Quá Khứ đơn với V_ed

- Did you play tennis last weekend?

- Did your mother cook dinner yesterday?

.

(+) Quá Khứ đơn với V_2

- My brother bought a new car last month.

- The children flew the kite yesterday.

(-) Quá Khứ đơn với V_2

- My brother didn't buy a new car last month.

- The children didn't fly the kite yesterday.

(+) Quá Khứ đơn với V_2

- Did your brother buy a new car last month?

- Did the children fly the kite yesterday?

#Regina (●'◡'●)

#Chúc cậu học tốt nè :>