john has played football since he finishes his lesson Tìm lỗi sai
2 câu trả lời
John has played football since he finishes his lesson.
Sửa: Finishes $\longrightarrow$ Finished
Giải thích: Cấu trúc since thì hiện tại hoàn thành:
$\text{S + present perfect + since + past simple}$.
`->` Đáp án: finishes
`-` finishes `->` finished
`-` Cấu trúc: present perfect + since + past simple
`-` Cấu trúc thì QKĐ
`(+)` S + V2/ed + O
`(-)` S + didn't + V1 + O
`(?)` Did + S + V1..?
`->` Yes, S + did
`->` No, S + didn't
`-` finish - finished - finished