1. 基本概念的考查;
2. 和被动语态一起考查以增加难度;
3. 将空设在从句中。
1. 对“过去的过去”认识不清;
2. 受被动语态等因素的影响;
3. 有从句时主从时间的先后辨别不清。
1.The students ______ busily when Miss Brown went to get a book she ______ in the office.
A. had written; left
B. were writing; has left
C. had written; had left
D. were writing; had left
2. The policeman’s attention was suddenly caught by a small box which ______ placed under the Minister’s car.
A. has been
B. was
C. had been
D. would be
【答案及解析】
【2017届高考英语一轮复习时态语态专题攻略:过去完成时(含解析)】相关文章:
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