`33.` There was fog, so their flight was delayed.

`-` So: Vì vậy - chỉ kết quả, hậu quả

`34.` He asked me if I liked the trip.

`-` S + asked/ask + O + if/whether + S + V(lùi thì)

`-` HTD `->` QKD

`35.` The telephone is used by people to communicate.

`-` Bị động HTD: S + is/am/are + PII + (By O)

`36.` I wish I knew many words in English.

`-` Wish ở hiện tại: S + wish(es) + (that) + S + V2/ed 

33. There was fog, so their flight was delay.

clause + so + clause: vì vậy

34. He asked me if I liked the trip.

Câu tường thuật - dạng Yes/No-questions 

S + asked / wanted to know / wondered + (O) +if/whether + S+ V (lùi thì)

HTĐ --> QKĐ

35. The telephone is used to communicate.

S +am/is/are +  V3/ed (thì HTĐ - bị động)

36. I wish I knew many words in English.

S + wish(es) + S + V2/ed : ước ở hiện tại

`color{orange}{~LeAiFuRuiHuiBao~}`