`1,` My teacher suggested speaking English in class

`->` S + suggest + V-ing : đề nghị làm gì

`2,` When his mother came home, he was doing his homework in his room

`->` Hành động đang xảy ra thì hành động khác chen vào

`->` When QKĐ, QKTD

`3,` I wish I could go out with my friends

`-` Câu ước - HT : S + wish(es) + S + V-qkđ ...

`4,` I used to live in this house when I was young

`->` used to + Vbare-inf : đã từng (không còn làm ở hiện tại)

`5,` I am having a lot of troubles now because I lost my passport last week

`->` now `->` HTTD

`->` HTTD - KĐ : S + am/is/are + V-ing ...

`->` last week `->` QKĐ

`->` QKĐ - KĐ : S + V2/ed ...

1. My teacher suggested speaking English in class.

S + suggest + Ving: đề nghị 

2. When his mother came home, he was doing his homework in his room.

When + QKĐ, QKTD

Hành động đang diễn ra (QKTD) thì có hành động cắt ngang (QKĐ)

3. I wish I could go out with my friends.

S + wish(es) + S+ could + V1: ước ở hiện tại 

go out with sb: ra ngoài / đi chơi với ai 

4. I used to live in this house when I was young.

used to +V1: đã từng 

S + be+ ADJ 

5. I am having a lot of troubles now because I lost my passport last week.

S + am/is/are + Ving: thì HTTD

DHNB: now 

a lot of +N số nhiều / N k đếm được 

DHNB: last week (QKD)

S +V2/ed 

`color{orange}{~MiaMB~}`