2. 主语 + would rather +( that ) 从句(从句谓语动词用过去式)
3.
It is / was the first time +从句 (从句谓语动词用完成时态 )
4. must (can’t/couldn’t)+v /have done 肯/否定推测(注意must的反意疑问句)
5. should +have done也可表肯定推测,程度比must弱,意为“按道理/估计应该”
6. should(not) / ought(not) to +v /have done
虚拟语气(本该 / 不该…)
7. suggest / insist+宾语从句(动词用陈述 / 虚拟语气的区别)
◆从句中谓语动词应该用一般过去式 ( 虚拟语气)总结
1) It’s + ( high / about ) time + ( that ) +从句(从句谓语动词用过去式)
It is (high) time that 后面的从句谓语动词要用过去式或用should加动词原形,但should不可省略。
It is time that the children went to bed.
It is high time that the children should go to bed.
例题:
It is high time that you stop hanging about and started looking for a job.
解析:
It is high time that 从句中谓语动词应该用一般过去式,stop应改为stopped.
2) as if + 与现在的事实相反
Nobody likes her because she always behaves as if she is a queen.
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