1.as…as 和……一样
中间必须用形容词或副词原级。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……，和……不一样”。上面的两个句子可分别改为：
This classroom is not as/so large as that one.
He doesn't run as/so fast as Tom.
练习：我的书包和你的一样好。 他的英语说的和你一样好。
2. 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。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。
3. be busy/enjoy/hate/go on/finish doing sth. 忙于/喜欢/讨厌/继续/完成做某事
在enjoy，finish，hate，go on，be busy等词语后，一般用动词-ing形式作宾语。例如：
Lin Tao is busy making a model plane. 林涛忙着做飞机模型。
My mother enjoys taking a walk after supper. 我妈妈喜欢晚饭后散步。
I hate watching Channel Five. 我讨厌看五频道。
When someone asked him to have a rest， he just went on working. 当有人让他休息一会儿时，他仍继续工作。
I have finished writing the story. 我已经写完了故事。
4. fill…with用……装满， be filled with 充满了……， be full of 充满了
①be 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。
②be full of说明主语处于的状态。此外，还可表示程度，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。中 华考 试 网
The young man is full of pride. 那个年轻人非常骄傲。
③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.
5. 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。
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