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一. 省略if的虚拟语气的倒装变化规律:在虚拟语气中,若有had/were/should等助动词,可将其提到句首,省略if变成为倒装句式,简称“一省二提”。
例如:If they were here, they should agree with me.→Were they here, they should agree with me.如果他们在这儿的话,他们会和我一个立场。
(冉老师有话说:该句表示现在虚拟的假设。其考点是省略if变成倒装句,同学们只要熟悉“一省二提”——一省略if,二提首助动词,这两个原则,那么该知识点就不易混淆啦。该句一省略了if,二提首了were,把原句变成其倒装形式。)
If he had learnt about driving, he should have had a car.→Had he learnt about driving, he should have had a car.如果他学了开车的话,他就有一辆自己的车了。
(冉老师有话说:if的虚拟语气倒装口诀“一省二提”——一省略if,二提首助动词had,后面的部分照写上。Learnt为learn“学习”的过去分词。该句表示与过去的事实相反的虚拟,表示一种假设。)
二.倒装句的固定句型
①Were it not for:“要不是……”
例如:Were it not for your help, I couldn"t pass the exam.要不是你的帮助,我不可能通过考试。
(冉老师有话说:该虚拟语气表示现在虚拟的假设,其原句为If it were not for your help, I couldn"t pass the exam.一省if,二提助动词were,变成其倒装形式。)
②Had it not been for……:“当时要不是……”
例如:Had it not been for you, I would have lost in the forest.(当时)要不是你,我可能已经在森林里迷路了。
(冉老师有话说:该句表示过去的虚拟假设,原句为If it had not been for you, I would have lost in the forest.一省if,二提助动词had,变成其倒装句形式。)
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