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以下便是辛达雅思代报小编为我们整理的雅思长难句句式分析之运用虚拟语气注意事项。希望对各位考生的备考有所协助：

But for表明的意思是“若非/要不是…”，它既能够表明对现在现实相反的虚拟语气，也能够表明对曩昔完成相反的虚拟语气，既能够接从句，也能够接名词。

If it were not that he works hard, I wouldnot like him. =

If it were not for his hard work, I wouldnot like him. =

Were it not for his hard work, I would notlike him. =

But for his hard work, I would not likehim.

对现在现实相反的虚拟语气，榜首个例句中的从句中用的是一般现在时。

If it had not been that he worked hard, Iwould not like him. =

had it not been for his hard work, I wouldnot like him. =

But for his hard work, I would not likehim.

对曩昔现实相反的虚拟语气，榜首个例句中的从句中用的是一般曩昔时。

Lest… (should)…表明“避免…”的意思。Lest为副词连接词，引导状语从句。该状语从句一律用神态动词should，并且该should往往省掉。

Igot up early lest I (should) miss the train.

我早上避免错失火车。

Youmust study hard lest you (should) fail the test.

你必须努力学习避免你考不及格。

Whatif … should…? 表明“要是…的话会怎样/要怎么办？”的意思。该句型表明对将来状况存疑的虚拟语气。If从句中一般为神态动词should。

Whatif he should come? =

Whatmight happen /could I (we) do if he should come?

假如他来了，会怎样，我们该怎么办？

课堂练习1

What if they tell me this curving linebranching into three oval shapes is a pomegranate and that my mother waswishing me fertility and posterity?

Whatif 之后也能够用一般现在时，故上一句也能够改写为：

Whatif he comes? =

Whatshall we do if he comes?

Ifonly…表明“要是…就好了”的意思。本句型只用于与现在或曩昔现实相反的虚拟语气中，因此本句型的时态只能是一般曩昔时或曩昔完成时。

Ifonly he were here. =

I wish he were here.

要是他现在在这里就好了。

Ifonly I had known him earlier. =

Iwish I had known him earlier.

若果我能早认识他就好了。

小编找到的是作者的一些见解，希望可以为考生们寻找到最好得分方式，也希望对大家有所帮助。最后，希望广大考生们在备考过程中提升自己的语言水平，取得更好的成绩。

有需要代报考位的同学们，可以直接联系我们，辛达雅思代报竭诚为您服务。(*^__^*)