Question 12: Mrs Brown will have worked at this school for 30 years__________ . A. by the time she retires B. when she retired C. as soon as she had retired D. after she had retired [giải thích cấu trúc đúng sai từng đáp án]
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Question 12: Mrs Brown will have worked at this school for 30 years__________ .
A. by the time she retires
B. when she retired
C. as soon as she had retired
D. after she had retired
Đây là thì Tương lai hoàn thành
-S+will+have/has+P.P...
Dấu hiệu:
-by the time + mệnh đề chia ở thì hiện tại đơn (by the time I get up,…)
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Question 12: Mrs Brown will have worked at this school for 30 years __________ .
A. by the time she retires B. when she retired C. as soon as she had retired D. after she had retired
(Cấu trúc: By the time + S + am/is/are +…, S + will have + V-ed/PII)
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