1. My dad had black hair when he was young. (sửa đề: He --> My dad)

S + had + N 

ADj + N 

S + was/were + ADJ 

2. My grandfather sometimes listens to music at home

ADV chỉ tần suất + V 

S số ít + Vs/es

listen to music: nghe nhạc 

at home: ở nhà

3. You must put litter in the garbage can

must + V1: phải làm gì (mang tính bắt buộc)

the garbage can: thùng rác

4. There were lots of helicopters in our town fifty years ago. (sửa đề: helicopter --> helicopters) 

DHNB: fifty years ago (QKD)

There were + lots of + N số nhiều 

tính từ sở hữu + N

`color{orange}{~MiaMB~}`

1/ My dad had black hair when he was young

2/My grandfather sometimes listens to music at home
3/ You must put litter in the garbage can
4/ There was lots OF helicopter in our town fifty years ago

≈ chúc bạn học tốt ≈

∧ω∧