來(lái)源:中考網(wǎng) 作者:匿名 2009-11-06 10:42:40
初中英語(yǔ)語(yǔ)法大全:祈使句結(jié)構(gòu)
13.1 祈使句結(jié)構(gòu)
祈使句用以表達(dá)命令,要求,請(qǐng)求,勸告等。
1) 祈使句有兩種類型,一種是以動(dòng)詞原形開頭,在動(dòng)詞原形之前加do (但只限于省略第二人稱主語(yǔ)的句子)。
Take this seat.
Do be careful.
否定結(jié)構(gòu):
Don't move.
Don't be late.
2) 第二種祈使句以let開頭。
Let 的反意疑問(wèn)句
a. Let's 包括說(shuō)話者
Let's have another try,shall we / shan't we
= Shall we have another try
b. Let us 不包括說(shuō)話者
Let us have another try,will you / won't you
= Will you please let us have another try
否定結(jié)構(gòu):
Let's not talk of that matter.
Let us not talk of that matter.
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