句型宝典之含不定词句5

含不定词句型

do all one can to

结构︰主词+do all one can to-不定词

说明︰此句型意为尽一切可能来。注意 do 和 can 的时态要保持一致。

Daddy did all he could to fill my needs and desires.爸爸尽一切可能来满足我的需求和欲望。

You should do all you can to persuade him. 你应该尽一切可能来说服他。

We have done all we could to catch up with them. 我们已经尽了一切可能来赶上他们。

have sth. to do with

结构︰ have something/nothing to do with

说明︰此句型意为与有/无关系。这是包含不定式的习惯用法。随着有关系的程度， something 可改为 little，much，a great deal 等。have nothing to do with表示否定;have anything to do with 用于疑问句中。

Her diligence must have something to do with his success.

她的勤勉和她的成功一定有某些关系。

The traffic accident had nothing to do with him. 这交通事故和他一点关系也没有。

His wife had much to do with his bankruptcy. 他的破产和他的妻子很有关系。

have no other N except to

结构︰主词+have no other+名词+except/than+to-不定词

说明︰此句型意为除了要没有其它的。except 可以换成 than.

The speaker has no other purpose except to make people laugh.

这位演说者除了想搞笑之外，没有别的目的。

We have no other choice than to agree with them. 我们除了同意他们之外，没有别的选择。

I have no other wish except to pass the examination.

我除了要通过考试之外，没有别的心愿。

in order/so as to

结构︰in order/so as+to-不定词

说明︰此句型意为为了想做就得。这是表目的的不定词句型，意思更为明确。

He must work very hard in order to support his large family.

他必须拼命工作以养活他的大家庭。

Listen carefully so as to follow the teacher. 要仔细听才能听懂老师讲的课。

You must watch your step so as not to fall down. 你必须留心脚下才不会跌下去。

be used to

结构︰主词(物) + be used to-不定词

说明︰此句型意为被用来。主词通常是无生命的东西。而物+be used as+名词译为被用来当做。

The book is used to teach us how to write. 这本书教我们如何写作。

The knife can be used to cut meat. 刀能用来切肉。

It is said that the plant can be used to treat hepatitis. 据说那种植物可用来治肝炎。

The book is used as a reference book. 这本书被用来做参考书。