高中英语主语从句中的虚拟语气语法

在高中的学习中，英语学科是难点，在高考中占了很大的分值比重，所以在平时的学习中，我们应该重视英语语法的学习，提高自己的知识积累，下面是学大的专家为大家总结的高中英语主语从句中的虚拟语气语法。

一、虚拟语气用于主语从句中

在It is (was)important (necessary, desirable, imperative, advisable, incredible, urgent, possible, essential, natural, preferable, insistent, crucial, better, best, ridiculous, vital) that…能及It is (was) a pity (shame, wonder, must, suggestion, proposal, requirement, request, desire, order, recommendation) that….,It is (was)desired (arranged, decided, ordered, proposed, requested, recommended, suggested, settled) that…等句型的主语从句中，其谓语用“should+动词原形(其中should可以省略)”来构成虚拟语气。

例：It is important that we (should)speak politely.

我们说话要有礼貌，这是很重要的。

例：It is essential that she these application forms be sent back as early as possible.

将这些申请表格尽快地反馈回来是很必要的。

二、 虚拟语气用于宾语从句中

当动词ask, arrange, beg, advise, command, deserve, direct,desire, demand,determine, move, prefer, propose, intend, request, require, suppose 等后面接宾语从句时，从句的谓语用”should+动词原形” 来表示虚拟语气。

例: The judge ordered that the prisoner(should) be remanded.

法官命令被告还押。

Mr.Chairman, I move that the money____for library books.

主席先生，我提议把那笔钱用来购买图书馆书籍。

经典练习：

1、It is vital that enough money____ to fund the project.

A)be collected

B)must be collected

C)is collected

D)can be collected

2、It is recommended that the project____until all the preparations have been made.

A)is not started

B)will not be started

C)is not to be started

D)not be started

同学们了解了高中英语主语从句中的虚拟语气语法，在平时的学习中，就应该重视这些知识的学习，帮助我们更好地进行学习。