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首页 >> 最新动向 >> 考试动态 >> AEIS培训小班制:名词性从句中主句和从句的时态问题
新加坡AEIS考试是每一位去新加坡留学的中小学生所必须参加的考试,很多考生对于如何进行国内AEIS考试培训而感到迷茫。AEIS在线老师提醒:AEIS模拟真题下载更注重于基础知识的考察,对于英语中常用的AEIS语法和AEIS词汇我们一定要掌握。为了全面掌握AEIS教材,一起来学习名词性从句中主句和从句的时态问题。
(1)宾语从句中主句和从句的时态保持一致,但如果从句中表示提示的是客观现象,虽然主句是过去时态,从句仍用一般现在时。如:
Hello,I didn’t know you were in London. How long have you been here?
The teacher told us that light travels at a very high speed.

(2)主语从句作主语相当于单数第三人称作主语,谓语动词用单数,如果由and 连接两个或两个以上的主语从句作主语时,谓语动词用复数;由两个或多个连接词引导一个主语从句,谓语动词用单数。如:
When the meeting will begin has not been decided yet.
When they will start and where they go have not been decided yet.
When and where the meeting will begin has not been decided.
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