=>

69. We haven't met our grandfather for two weeks.

-> chuyển QKĐ sang HTHT, S have/has (not) V3/ed

70. Joe said that she had seen that movie the previous Sunday.

-> câu tường thuật (lùi thì, QKĐ -> QKHT/last Sunday -> the previous Sunday)

71. An invited Nhi to go out for a coffee with her that evening.

-> invited sb to V: mời ai

72. If Tom had a bike, he wouldn't walk to school.

-> câu đk loại 2: If S V2/ed, S would (not) V

`69`.We haven't met our grandfather for two weeks

`\rightarrow` Thì HTHT ( PĐ ) : S + haven't / hasn't + V3 / PII

`\rightarrow` For + Khoảng thời gian

`70`.Joe said that he had seen that movie the previous Sunday

`\rightarrow` Câu tường thuật : S + said + that + S + V ( lùi thì )

`\rightarrow` QKĐ `->` QKHT : S + had + V3 / PII

`71`.An invited Nhu to go out for a coffee with him that evening

`\rightarrow` invite sb + to do sth : Mời ai làm gì

`72`.If Tom had a bike , he wouldn't walk to school

`\rightarrow` CĐK Loại `2` : Diễn tả hành động không có thật ở Hiện tại

`-` If - clause : Thì QKĐ : S + Ved / V2

`-` Main - clause : Thì TLTQK : S + would + V

`\text{@ Tails347}`