whether的用法总结(精选4篇)

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. 后跟动词不定式短语。例如:【第一篇】

(1)I don’t know whether to accept the offer or refuse it. (= It is doubtful whether to accept the offer or refuse it. )对这个提议,我不知道是接受好,还是拒绝好。

(2)It is to be decided whether to go or stay here.

是走还是呆在这儿还有待决策。(it作形式主语。)

(3)Will you advise me whether to accept his suggestion (or not)?

向你请教,我是否要接受他的建议?

作“不论……还是……”解时,whether引导让步状语从句。例如:【第二篇】

(1)Whether you can see the moon or not, it is always round.

不论你能否看得见,月亮总是圆的。

(2)You may rely upon my help, whether others help you or not.

不论别人帮不帮你,你都可以依赖我的帮助。

. 引导同位语从句。它的前面通常有fact, conclusion, news, problem, question, idea, doubt等名词作同位语结构的中心词。例如:【第三篇】

(1)She has answered the question whether or not this supermarket is the largest one in the region.

她回答了这样一个问题,即该超市在这个地区是不是最大的。

(2)The question whether we ought to call in a specialist was answered by the family doctor.

关于我们是否该请一位专家过来的问题,家庭医生已经作了回答。

作“是否,会不会”解时,whether可用来引导名词性从句,即主语从句、宾语从句、表语从句和同位语从句。【第四篇】

1、 引导主语从句。引导主语从句时,可用it作形式主语。例如:

(1)Whether they consider this opinion or not is not clear. (= It is not clear whether they consider this opinion or not. )

他们是否考虑这个意见还不清楚。

(2)Whether we shall be able to come is doubtful. (= It is doubtful whether we shall be able to come. )我们是否能够来,尚不确定。

2、 引导宾语从句。这时whether可与if换用。例如:

(1)A simple experiment will show whether air has weight or not. (= A simple experiment will show if air has weight. )一个简单的实验就可以证明空气是否有重量。

(2)I wonder whether we shall be in time for the last bus or (whether we shall)have to walk home.

我不知道我们是否可以赶上最后一班公共汽车,或是只好步行回家。

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