3

　　when句型

　　(1) be doing sth...when...

　　例：He was still smiling when the door opened and his wife came in.

　　他正笑着的时候门突然开了，他妻子走了进来。

　　(2) be about to do sth ... when ...

　　例：We were about to start when it began to rain.

　　我们刚要出发，天就开始下雨了。

　　(3) had just done ... when ...

　　例：I had just gone to bed after a very hard day when the phone rang.

　　在劳累了一天之后我刚刚就寝，电话铃就响了。

　　4

　　seem句型

　　(1) It +seems + that从句

　　例：It seemed that everyone was satisfied.

　　看来好像每个人都很满意。

　　(2) It seems to sb that ...

　　例：It seems to me that she is right.

　　我看她是对的，

　　(3) There seems to be ...

　　例：There seems to be a heavy rain.

　　看上去要有一场大雨。

　　(4) It seems as if ...

　　例：It seemed that she couldn't come to class.

　　看样子她不能来上课了。

　　5

　　表示“相差…;增加了…”句型

　　(1) She is taller than I by three inches.

　　她比我高三英寸

　　(2) There is one year between us.

　　我们之间相差一岁。

　　(3) She is three years old than I.

　　她比我大三岁。

　　(4) They have increased the price by 50%.

　　他们把价格上涨了50%

　　(5) His salary has rised to 10,000 yuan per month.

　　他的工资已经涨到了每月10,000元。