a My dad had black hair when he was young.

`-` QKĐ, dấu hiệu: when he was young (khi anh ấy còn nhỏ) `->` giai đoạn cuộc đời

`->` S + V2/ed

`-` adj + N

b Sometimes, my grandfather listens to music at home.

`-` HTĐ, dấu hiệu: sometimes

`->` S + V(s/es)

`-` listen to sb/sth (v): nghe

c There were lots of helicopters in our town fifty years ago.

`-` There were + N số nhiều (dùng trong QKĐ)

`-` lots of + N số nhiều: rất nhiều

`-` tính từ sở hữu + N

d She had a car and she was pretty.

`-` QKĐ

`+` tobe: S + was/were

`+` Động từ thường: S + V2/ed

`-` a + N số ít, bắt đầu bằng phụ âm

`-` tobe + adj

a How do you go to the museum?

`-` How?: Như thế nào?

`->` Hỏi về cách thức, phương tiện làm gì

`->` HTĐ: (Wh) + Do/Does + S + V? 

`-` My dad had black hair when he was young

`-` Sometimes , My grandfather listens to music at home 

`-` There were reports of a lost helicopter in our town fifty years ago

`-` She had a car and she was pretty

`-` How do you go to the museum?

`-` CT :

Danh từ số ít `->` was

Danh từ số nhiều `->` were

S + was/were

S + V(s/es)

How do + S + go to/ travel to + địa điểm? 

$baoyen.$