`13`.He hasn't played tennis since 1990

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`14`.They have worked in that factory since 2001

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`15`.The last time she went to London was ten years ago

`\rightarrow` Cấu trúc : The last time + S + V2 / Ved + was + time

`16`.We didn't see Mary a long time ago

`\rightarrow` Thì QKĐ ( CPĐ ) : S + didn't + V

`17`.It has rained for an hour

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : for

`18`.I have written this letter for two hours

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : for

`19`.They have lived at 3371 Grand Avenue since September

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`20`.My friend hasn't worked at the grocery store since 2005

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`21`.We have studied Math since seven o'clock

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`22`.His sister has played the piano since she was very young

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`\text{@ Fox}`