`46` A new house was bought by my parents last month ( câu bị động thì quá khứ đơn ; S + was / were + Vpp + by + o )

`47`  My friends aksed me where I were going then ( S + asked + O +  S + V(lùi thì ) 

`48` If she had enough money , she could buy that bike ( câu điều kiện loại 2 ,If + mệnh đề quá khứ đơn , S+ would / could + V + O ) 

`49` I wish I had a  bicycle ( câu ước -> lùi thì ) 

`50` Never do I go to school late ( câu đảo ngữ ) 

@ Dorris 

`46.` A new house was bought by my parents last month.

- Bị động thì QKD

- S + was/were + VpII + (by + O) + time

`47.` My friend asked me where I were going then.

- Thì QKD `->` QKTD

- now `->` then

- Câu tường thuật dạng Wh-questions

- S +  asked + Object + Wh-questions +  S + V lùi thì 

`48.` If she had enough money, she could buy that bike.

- Câu điều kiện loại 2

- If + S + V2/V-ed + ..., S+ would/could/... + V + ...

`49.` I wish I had a bicycle.

- Câu wish ở Hiện Tại: S + wish(es) + (that) + S + V2/V-ed

`50.` Never do I go to school late

- Câu đảo ngữ

- Never/Rarely/Hardly/Seldom/Little/Ever + trợ động từ + S + V