一、虚拟语气用于定语从句中
在It is (high, about)time(that)…句型中,that引导的定语从句中的谓语常用一般过去时来构成虚拟语气。
例:It’s about time that we put an end to this controversy.
现在该是我们停止这场争论的时候了。
例:It is time we went to bed.
我们该去睡觉了。
二、虚拟语气用于if only 引导的从句中
在if only引导的从句中,谓语动词须采用虚拟语气,其用法与wish后宾语从句的用法基本相同,表示“但愿”,“要是…就好了”的意思。
例:If only I knew what you wanted.
要是我知道你需要什么就好了。
例:If only he had arrived in time,he would not have been punished.
他要是准时到达就好了。
经典练习:
1、It’s already six o’clock now. Don’t you think it’s about time____?
A)we are going home
B)we go home
C)we went home
D)we can go home
2、If only the committee____the regulations and put them into effect as soon as possible.
A)approve
B)will approve
C)can approve
D)would approve
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