1/” i can sing a beautiful song” ni said
–> ni said that …..
2/The door ….. Last night ( open)
3/When a came home, khai( play) … ……Chess with khoi
4/ her …… Makes me admire her much( beauty/ beautiful/beautify/ beautifully)
5/ the last time I talked to ngoc was 2 weeks ago.
-> I have…..
6/ I didn’t see thu last night.
-> I wish….
$\text{S + was/were + P2 + (by O)}$
$\text{When + S + Vedv/V2, S + was/were + V-ing}$
Hành động kéo dài trong QK –> QKTD