1 This is John’s mp3 player

- This is + N số ít : đây là

- sở hữu cách -> ‘s + danh từ

2 I was very surprised to see him

- QKĐ : was/ were + adj/N/…

- be surprised to V : ngạc nhiên khi làm gì

3 Their car wasn’t clean

4 Were his sisters at the party?

- QKĐ (?) Was/ Were + S+ …?

5 They weren’t at Jane’s house

6 Is this cat theirs or yours?

- HTĐ (?) Is/Am/Are + S + …?

7 Our school was also our father’s

- QKĐ (+) S + was/ were + …

`1.` This is John's mp3

`-` This is + N(số ít)

`-` N's N

`2.` I was very surprised to see him

`-` be surprised to do sth : bị ngạc nhiên khi làm gì

`3.` Their car wasn't clean

`-` QKĐ: `(-)` S + was/were + not + N/adj

`4.` Were his sisters at the party?

`-` QKĐ: `(?)` Was/were + S + N/adj?

`5.` They weren't at Jane's house

`-` they + were

`6.` Is this car yours or theirs?

`7.` Our school was also our father's