祈使句的英文：
1.[Grammar] an imperative sentence

They are seventeen imperative sentences.
它们是十七个祈使句。

Clear off(esp imperative )go or run away
(尤用于祈使句)走开;跑开

It is used in the imperative for the purpose of calling attention.
它用在祈使句中以引起人注意。

esp imperative in prayers
尤用於祷文中的祈使句

"Don't make so much noise, will you?"
别弄出那么多噪音,好吗?(否定祈使句之后,表示"请求"时,只用will you)

"Let's not have hot food this time, O.K.?"
这次不吃热食好吗?(Let's开首的祈使句中,否定的用"all right?"或"O.K?)

(also come along)used in the imperative to encourage sb to do sth,(esp to hurry,try harder or make an effort)
用于祈使句以鼓励某人做某事,(尤指促其加速、努力或试一试)

Not in accord with the rules of a prescriptive grammar.
不合语法的不符合规定的语法规则的

That is not, properly speaking, a dictionary, but a grammar.
严格说来;那不是一本词典,而是一本语法书。

Bad grammar tends irk teachers.
语法不好常使老师生气。

imperative planning
急需的计划

In business, a prompt reply is imperative.
在商业上迅速的回复是必要的。

They are seventeen imperative sentences.
它们是十七个祈使句。

existential sentence
特称命题

monadic sentence
单无命题

This is an assertive sentence.
这是一个论断句。