常用虚拟语气句式

本句式常用的动词除“insist”以外尚有“advice（劝告），ask（请求）， command（命令），demand（要求），move（提出动议），order（命令）， request（要求），suggest（建议），etc．”
常用的虚拟语气句式
1．It is time （that）… 句型 It is （high） time that + S + V（did）… 例：It is high time that your children went to bed. It is high time that your children go to bed. It is/was +Nun+time （that） have/had done it is the first time that I have come to your home
例：At that time I wished I were a doctor.
例：He wished he had learned Chinese before he came to China.
3．“look, talk, … as if （though）…”
例：He looks as if he were very ill. 例：He looks as if he had been ill for a long time. 例：At that time she acted as if I were her servant. 例：She talked as though she had seen a ghost.
来自百度文库 4．insist （that）…
句型 S + insisted that + S + （should） V…
例：They insisted that she go by train.
注意： 本句式所示的虚拟语气在文法上称为“Subjunctive Present （虚拟语气现在时）”，用于表达如“强制、必须、命令、义务”等。在美式英语， 句式中的“should”常省略而只用原形动词。
注意： 本句式的“as if （though）…”是“好像……”的意思，其所指的事物若是与事实相 当然就用虚拟语气的动词来表达（如各例句所示），但若所指的是不确定的事物，则可用 陈述语气的动词来表达。 例：She looks as if she is very ill．Better send for a doctor. 例：It looks as though it is going to rain.
2、“wish（that）从句…” 句型 S + wish +（that） + S + V（虚拟语气动词）… 例：I wish （that） I were a frog. 例：I wish （that） I could swim like a frog. 注意 如例所示，“wish”的宾语“that…”的动词要使用虚拟语气的动词形式来表达， 其一致的规则如下： 1、S + wish … S + did (与现在事实相反)． 2．S + wish … S + had + p．p．（与过去事实相反）… 3．S + wished … S + had + p．P 例：I wish I were as tall as that big tree. 例：I wish I had told her the truth yesterday.