2023年用why的定语从句例句精编

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用why的定语从句例句篇1

1.在reason作先行词的定语从句中,若从句表原因,一般用why引导定语从句,why可以用for which替换。why还可省去。

why=for which

(for在这里是表原因的)

the reason why (for which) he has resigned is poor health.

(他辞职的理由是健康状况不佳。)

reason是名词在句子中充当先行词,而why后所接的定语从句是用来修饰reason的。

原因是他的健康情况不是很好,什么原因那?奥,,原来是他辞职的原因。(这句话中他辞职来修饰原因)

2.当reason作主语带有定语从句修饰时,其后的表语从句通常用that不用because。

the reason why(符合第一条) he didn't come in time was that he didn't feel well.

他没有来的原因是因为他不舒服。

就是说后面跟的是一句句子要+that

why为引导词,reason为先行词

这个知识点是在强调,当主语有定语从句时,表语从句(就是be动词后边的那个句子)为了避免重复就不用because引导,而用that

这边如果大家做选择,请记住选that 不是because

3.当reason用作定语从句的宾语时,引导词用that/which,而且that/which可省去。

the reason (that/which) he gave for being late was that they were held up in a traffic jam.

他给出的迟到原因是由于他们被交通阻塞给耽误了。

注意:此时的引导词不是because,不是because,不是because,而是that/which,并且还可以省略。

就像在例句中,reason是gave的宾语,定语从句没有用why,而用了that/which。并且其后的表语从句用that引导,而没有用because(详细解释见2)

归根揭底because在定语从句选择题中选择可能性比较少

4.注意句型

this/that's why…=this/that's the reason why…(记住这个句型就好啦)

that's why he did it.(不用that代替why)

= that's the reason why he did it.

这就是他为什么做这事的原因。

用why的定语从句例句篇2

when/where/why引导的定语从句

when, where, why属于关系副词, 都在其引导的定语从句中充当状语, 其具体用法如下:

例如: i still remember the day when i first met jennifer.我仍然记得第一次见到詹妮弗的那一天。// next month, when you’ll spend your summer holidays in your hometown, is approaching. 下个月即将来临, 届时你们将在家乡度暑假。

例如: this is the office where he worked. 这就是他工作过的办公室。// she is going to live in macao, where she has some close friends. 她要到澳门去定居, 在那里她有几个密友。

例如: i don’t know the reason why he came so late. 我不知道他来得那么晚的原因。// that is the reason why i don’t want to go. 那就是我不想去的理由。// he didn’t tell me the reason why he was so upset.他没有告诉我他为什么那样心烦意乱。

关系代词与关系副词之间并非毫无关联, 两者之间存在密切的联系。在备考中尤其要注意以下几点:

1. 很多情况下关系副词用“介词+which/whom”来代替, 其中的介词由先行词或定语从句中谓语动词的形式来决定, 例如:

the day when i met the famous pop star was the greatest day of my life.

the day on which i met the famous pop star was the greatest day of my life.见到这位著名歌星的那天是我一生中最重要的日子。

i shall never forget those years when i lived with her.

i shall never forget those years during which i lived with her.

我将永远不会忘记我跟她生活的那些岁月。

this is a hall where the medical conference will be held.

this is a hall in which the medical conference will be held.

这是礼堂, 医学会议将在此召开。

2. 并非先行词表示时间或地点时都分别用when或where来引导相应的定语从句, 若关系词在修饰表示时间或地点的先行词的定语从句中充当主语、 宾语等而不是状语时, 需用which或that引导相应的定语从句。例如: do you still remember the days which/that we spent together in school? 你还记得我们一起在学校度过的那些日子吗?

先行词the days表时间, 但是其定语从句的引导词在定语从句中作宾语而不是状语, 因此不能用when而应该用which或that。

3. that有时可以代替定语从句中的关系副词when, where, why, 且that常可以省略, 例如: this is the time (when/that) he arrived. 这是他到达的时间。

[考题1] we are living in an age ____ many things are done on computer. (2003北京春)

a. which b. that c. whose d. when

[答案] d

[解析] 本题中下划线处所引导的限定性定语从句修饰表示时间的先行词age, 其引导词在该定语从句中充当时间状语, 因此只能填入关系副词when。

[考题2] the film brought the hours back to me ____ i was taken good care of in that far*9鄄away village. (2001)

a. until b. that c. when d. where

[答案] c

[解析] 本题中下划线处所引导的限定性定语从句修饰表示时间的先行词hours, 其引导词在该定语从句中充当时间状语, 因此只能填入关系副词when。

[考题3] it was an exciting moment for these football fans this year, ____ for the first time in years their team won the world cup. (2000北京、 安徽春)

a. that b. while c. which d. when

[答案] d

[解析] 本题中下划线处所引导的非限定性定语从句修饰表示时间的先行词moment, 其引导词在该定语从句中充当时间状语, 因此只能填入关系副词when。

[考题4] after living in paris for fifty years he returned to the small town ____ he grew up as a child. (1996)

a. which b. where c. that d. when

[答案] b

[解析] 本题中下划线处所引导的限定性定语从句修饰表示地点的先行词town, 其引导词在该定语从句中充当地点状语, 因此只能填入关系副词where。

[考题5] we will be shown around the city: schools, museums, and some other places, ____ other visitors seldom go. (2002北京)

a. what b. which c. where d. when

[答案] c

[解析] 本题中下划线处所引导的非限定性定语从句修饰表示地点的先行词some other places, 其引导词在该定语从句中充当地点状语, 因此只能填入关系副词where。

[考题6] i walked in our garden, ____ tom and jim were tying a big sign onto one of the trees. (2005辽宁)

a. which b. when c. where d. that

[答案] c

[解析] 本题中下划线处所引导的定语从句修饰表示地点的先行词garden并在该定语从句中充当地点状语, 因此只能填入关系副词where。

[考题7] we’re just trying to reach a point ____ both sides will sit down together and talk. (2006山东)

a. where b. that c. when d. which

[答案] a

[解析] point可以理解成地点、 位置, 其后面的定语从句中缺少地点状语, 因此下划线处只能填入引导词where

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