引導語：定從的基本概念、主要的關系代詞的用法，以及使用的局限，下面是小編為你帶來的高一英語定語從句造句，希望對你有所幫助。

一、什么是定語(Attributive) :

　　a loyal friend 形容詞作定語

　　a woman teacher 名詞作定語

　　a girl with long hair 介詞短語作后置定語

　　falling / fallen leaves 分詞作定語

　　定語從句在句中相當于一個定語的成分起修飾的作用。

二、定語從句的構成：

　　1)which/that

　　a. Annawas wearing a hat.

　　b. Itwas too dirty.

　　定從： Annawas wearing a hat which/that was too dirty. (主語)

　　安娜戴了一頂很臟的帽子。

　　a. The hat was too dirty.

　　b. Anna was wearing a hat

　　定從： The hat that/ which Anna was wearing was too dirty.(賓語)

　　安娜戴著的那頂帽子太臟了。

　　2). who/whom

　　a. I meta boy.

　　b. Theboy can speak three languages.

　　定從： I met a boy who can speak three languages. (主語)

　　我見到了一個能說三種語言的男孩兒。

　　a. Theboy can speak three languages.

　　b. I met a boy.

　　定從：The boy whom/ who I met can speak three languages. (賓語)

　　我見到的男孩兒能說三種語言。

　　3. whose

　　a. We saw some people.

　　b. Their arms had broken.

　　定從： We saw some people whose arms had broken.

　　我們看見了一些手臂受了傷的人。

　　a. The desk belongs to Mary.

　　b. The leg of the desk is broken.

　　定從： The deskwhose leg is broken belongs to Mary.

　　腿壞了的桌子屬于瑪利。

三、只能使用關系代詞that的幾種情況。

　　1. 先行詞為all, little, few,much, nothing, something, anything, everything等不定代詞時

　　e.g.There is nothing that I can say

　　2. 先行詞被 all, each, few,much, every, no, some, any 等詞修飾時

　　e.g. I have few books that you needed

　　3. 先行詞既有人又有物時

　　e.g. He talked about the teachers and schools that he liked

　　4.先行詞被序數(shù)詞或形容詞最高級修飾時

　　e.g. This is the best composition that I have read.

　　5. 先行詞被the only, the very,the last 等修飾時

　　e.g. This is the very man that I am looking for.

　　6. 主句是以who或which開頭的疑問句時

　　e.g. Who is the man that is holding Mary’s hand?