小学四年级英语语法辅导：祈使句结构

小学四年级英语语法辅导：祈使句结构

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 mo*e.

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 ha*e another try，shall we / shan't we?

= Shall we ha*e another try?

b. Let us 不包括说话者

Let us ha*e another try，will you / won't you?

= Will you please let us ha*e another try?

否定结构：

Let's not talk of that matter.

Let us not talk of that matter.

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