1.be busy/enjoy/avoid doing sth. 忙于/喜欢/允许做某事 例如：

Lin Tao is busy making a model plane.林涛正忙着做飞机模型。

My mother enjoys taking a walk after supper.我妈妈喜欢晚饭后散步。

He managed to avoid being punished.他设法逃脱了惩罚。

2.fill...with...用......装满......；be filled with......充满了......；be full of 充满......

be filled with 说明由外界事物造成的此种状态，表示被动。例如：

The box is filled with food.盒子里装满了食物。

be full of 说明主语处于的状态，此外，还可以表示程度，意为“非常”，例

如：

The patient’s room is full of flowers.那个病人的房间摆满了花。

The young man is full of pride.那个年轻人非常骄傲。

这两种结构还可以相互改写，例如：

I fill the box with food.＝The box is full of food.

3.be good/bad for 有利于/有害于......

此句型是：be＋adj.+for+n.结构。例如：

Doing morning exercises is good for your health.做早操对你的健康有益。

Always playing computer games is bad for your study.总玩电脑游戏对你的学习不利。

4.be used to (doing) sth.习惯于......后面必须跟动名词或者名词，可用于现在、过去、将来的多种时态，be 可用 get,become 来代替。例如：

He is used to living in the country.(He is used to the life in the country.)他习惯于乡村生活。

He will get used to getting up early.他将会习惯于早起。

注意：be used to do 的意思是“被用来做......”例如：

Wood is used to make paper.木材被用来造纸。

5.both...and...两者都......

用来连接两个并列成分；当连接两个并列主语时，其后谓语动词用复数。例如：

Both he and his parents agree with the idea.不论他还是他父母都同意这一想法。

6.as...as 和......一样   中间必须用形容词或者副词原级。例如：

This classroom is as big as that one.这间教室和那间一样大。

He runs as fast as Tom.他和汤姆跑的一样快。

否定结构：not as/so...as,“不如......”，上面的两个句子可分别改为

This classroom is not as/so as large as that one.这间教室不如那间大。

He doesn’t run as/so fast as Tom.他跑的不如汤姆快。

7.as soon as 一......就

用来引导时间状语从句。若主句是一般将来时，从句要用一般现在时表示将来时，例如:

I’ll tell him the plan as soon as I see him.我一看到他就告诉他这个计划。

He’ll go home as soon as he finishes his work.他一完成工作就回家。

8.can’t help doing sth.禁不住做某事

His joke is too funny. We can’t help laughing.他的笑话太有趣了，我们禁不住笑了起来。

9.sth. costs sb. some money 某物花费了某人多少钱

此句型的主语是物。cost 一词带的是双宾语,它的过去式、过去分词和原形一样。

The book cost me five yuan.这本书花费了我五元钱。

10.either...or...不是......就是......，或者......或者......

用来连接两个并列成分，当连接并列主语时，谓语动词与邻近的主语保持一致。

Either she or I am right.=Either I or she is right.不是她对就是我对。

11.enough（for sb.）to do sth.足够......做......

在此结构中，for 用来引出不定式的逻辑主语。例如：

The ice isn’t thick enough for you to walk on.这冰还没有厚到你可以在上面可以走的程度。

12.feel like doing sth. 想要做某事

此处 like 为介词，后面跟动词-ing 形式，此句型与 would like to do sth.同义。例如：

I feel like drinking a cup of milk.我想喝一杯牛奶。

13.feel/find/think it adj./n. to do sth.认为某事......

在此结构中 it 为形式宾语，不定式短语做真正的宾语。 例如：

I find it very interesting to play football.我认为踢足球很有趣。

14.get ready for sth./to do sth.“为某事做准备”“准备做某事”

They are getting ready for the meeting.他们正在为会议做准备。

We were getting ready to have a sports meeting at that moment.他们那时正准备开运动会。

15.get/receive a letter from 收到......的来信 相当于 hear from 例如：

Did you receive a letter from John? 你收到约翰的来信了么？

I got a letter from my brother yesterday.我昨天收到了我弟弟的一封来信。

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