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新加坡AEIS考试英语中有时会出现祈使句的结构问题。目前,AEIS考试报名受到的关注越来越高,AEIS培训录取竞争越来越激烈。这里应广大学子的要求,新加坡AEIS考试培训中心为大家提供AEIS真题模拟成绩提升技巧,这次介绍的是祈使句的句型结构。

AEIS考试培训老师介绍祈使句用以表达命令,要求,请求,劝告等。
1) 祈使句有两种类型,一种是以动词原形开头,在动词原形之前加do (但只限于省略第二人称主语的句子)。
Take this seat.
Do be careful.
否定结构:
Don't move.
Don't be late.
2) 第二种祈使句以let开头。
Let 的反意疑问句
a. Let's 包括说话者
Let's have another try,shall we / shan't we?
= Shall we have another try?
b.Let us 不包括说话者
Let us have another try,will you / won't you?
= Will you please let us have another try?
否定结构:
Let's not talk of that matter.
Let us not talk of that matter.
如何引用祈使句
AEIS考试培训老师介绍:祈使句如要引用,多使用一个不定式,前面的谓语形式根据语气决定。如:
“Wake him up,” she said.
→She told me to wake him up.
“See a neurologist,” the doctor said.
→The doctor advised me to see a neurologist.
“Stay where you are and don’t move,” commanded the sergeant.
→The sergeant commanded the man to stay where he was and not to move.
“Carry the trunk upstairs,” Mr. Brown said.
→Mr. Brown ordered the men to carry the trunk upstairs.
■能跟这种结构的动词有:
advise ask beg command forbid instruct invite order
persuade remind teach tell urge warn
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