牛津初中英语9A知识点归纳(2)

② It is kind_____________you to help me finish the work in an hour.

2. be + adj. + enough + to do sth.

此句型表示―（某人、某物）足够做某事‖，例如：

I’m tall enough to reach the top of the tree. 我够高能够到树顶。

(1) 此句型若是肯定句时，可以用主＋be＋so＋adj.＋that的句型（即so…,that…表示的结果状语

从句）来替换。

The boy is old enough to go to school. 这个孩子到了上学年龄。

=The boy is so old that he can go to school.

(2) 此句型若是否定句式时，既可以用so…that…引导的结果状语从句来替换，还可以用too…to…

句式替换。例：

He is not old enough to go to work. 他太小不能去上班。

=He is so young that he can’t go to work. = He is too young to go to work..

The box is not light enough for me to carry. 这个箱子太重我搬不动。

=The box is too heavy for me to carry. = The box is so heavy that I can’t carry it.

【小试牛刀】

① The water was so dirty that we couldn’t drink it.

= The water was _________ dirty for us ________ drink.（2001上海市）

② The child is so young that he can't put on his clothes．

= The child isn’t ________ _________ _________ put on his clothes.（1999四川宜宾）

③ The problem is too difficult for me to work out.

= The problem isn’t ________ _________ ________ for me to work out.（2001重庆市）

④ He worked so hard that he got the first in the examination.

= He worked ________ _________ to get the first in the examination.

3. 句子的成分

(1) 定义

构成句子的各个部分叫做句子成分。句子成分有主要成分和次要成分；主要成分有主语和谓语；次要成分有表语、宾语、定语、状语、补足语和同位语。

(1)

三、交际用语

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