复合句中的省略情形:状语从句,比较从句,习惯用法

省略句比较从句复合句评论

1．许多状语从句可以有词省略，特别是在when，while，though，if，as if (though)，等后面，省略的词多为它的主语和动词be：
Look out for cars when crossing the road．
过马路时注意车辆。
She sang while preparing their supper．
她一面做饭一面唱着歌。
This idea, however understandable, is wrong．
这种想法，不管多么可以理解，都是错误的。
Whenever known，such facts should be reported．
这类情况一旦发现，就应当报告。
Fill in the blanks with verbs where necessary．
在表格中填入必要的动词。
Though not large, the room was bright and airy．
房问虽不大，却很亮，空气清新。
If necessary．I'11 have the report duplicated．
如果必要我将把报告复印一份。
He hurriedly left the classroom as if(though) angry．
他匆匆离开了教师，好像生气了的样子。

2．在比较从句中，几乎经常会有字词省略
Many others are doing better than we are．
有很多人比我们干得好。
They were heavier than he had expected．
它们比他预料的重。
Water is as important to us as oxygen．
水对我们像氧气一样重要。
Working hard as ever，I expect．
还是和以前一样勤奋，我想。

3．复合句中还有些其他成分可以省略
Anything you want to take with you?
有什东西要带吗?
Sorry，the line is busy．
对不起，占线了。
Hope you'11 like it.
希望你会喜炊。
We'11 certainly help you if we can．
要是可能我们一定帮助你。
I won't disturb you again unless I have to．
除非不得已我将不再来打扰。
The sooner，the better．
越快越好。