`37` Is it the first time you have watched this movie `?`

`-` S + have/has + never + V3/Vpp + O + before : Ai đó chưa bao giờ làm gì trước đây .

`->` It's the first time + S + have + V3/Vpp + O : Đây là lần đầu ai đó làm gì .

`38` Because it rained heavily , we were late for school .

`-` Cụm từ `-` mệnh đề chỉ lí do .

`@` Because of/Due to/Owning to + V-ing/N + O , clause `2` .

`->` Because/since/as + clause `1` , clause `2 `.

`37.`

$\text{Form:}$

`+)` Have/Has + S + V(PII) + before?

`=` Is it the first time + S + have/has + V(PII) + adv/O?

`=>` Is it the first time you have watched this movie?

`38.`

$\text{Form:}$

`+)` Because of + N/V-ing 

`=` Because + clause 

`=>` Because it rained heavily, we were late for school.

Chúc cậu học tốt nhé!!!