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……”。上面的两个句子可分别改为： This classroom is not as/so large as that one.
这间教室不如那间大。
He doesn’t run as/so fast as Tom.
他跑得不如汤姆快。
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
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。 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。
www.99jianzhu.com/包含内容：建筑图纸、PDF/word/ppt 流程，表格，案例，最新,免费下载,施工方案、工程书籍、建筑论文、合同表格、标准规范、CAD图纸等内容。