以下是小编帮大家整理的定语从句例句100句，本文共3篇，欢迎大家分享。
篇1：定语从句例句
关系代词
在定语从句中，能作关系代词的有whowhom、which、that。
(1)whothat指人
例：He is the man whothat lives next door.他是住在隔壁的那个人。
注意：关系代词在从句中作宾语时，whichthat坚持不变，who变为whom。
例：We wondered whom the book was about. 我们想明白这本书是关于谁的。
(2)whichthat指物
例：The book whichthat you borrowed me yesterday is interesting. 你昨日借给我的书很有意思。
篇2：定语从句例句
关系副词
在定语从句中，能作关系副词的有why（表原因）、where（表地点）、when（表时光）。
例：This is the reason why I was late this morning. 这就是我今日早上迟到的原因。
This is the town where he was born.这是他出生的小镇。
Tom got married in when he was 24 years old. 汤姆结婚了，当时他24岁。
注意：千万不要看见前面是原因、地点、时光就用why、where、when这些关系副词，关键要看它们在从句中起名词还是副词的作用。
请看下头的例题：
This is the reason ______ I was late this morning.
This is the reason ______ I told you.
第一句中，the reason用来修饰迟到这个动词，表示早上迟到的原因（I was late because…），所以它起到副词的作用，要用why。
而第二句中，the reason 是told的宾语（I told you the reason），起名词的作用，所以要用whichthat。
篇3：定语从句例句
as与which引导的定语从句
两者均可引导非限制性定语从句，有时能够互换，但下列情景多用as。
1. 关系代词引导的定语从句居句首时。 As we all know， the earth is round.
2. 当与such或the same连用时，一般用as。 Such books as you tell me are interesting. I have the same plan as you.
3. 当从句和主句语义一致时，用as，反之则用which。 She has married again， as was expected. She has married again， which was unexpected.
4. as在从句中作主语时，后面常接行为动词的被动语态，如be known，be said，be reported等，如从句中行为动词是主动语态，一般要用which作主语。
She has been late again， as was expected.
Tom has made great progress， which made us happy.
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