1 has stayed - bought

2 did you do - did - watched

1 A

2 C

3 A

Khẳng định: S + am/is/are + Ving + .....

Phủ định: S + am/is/are not + Ving

Nghi vấn : Am/is/are (not) + S + Ving....

I promise to study harder

1  saw

2 name 

3 week

4 surprised

5 address

subjects

tại ngon á 

does