While用法

1.  

2. while表示当......的时候、在......期间,是从属连词,引导时间状语从句,当从句的主语和主句的主语一致,且谓语中含有be时,可以省略从句的主语和be。

例如:

While we were talking Mr Wang came in. 我们在谈话时,王先生进来了。

You don”t go home while (you are) studying. 在学习期间,你不要回家。

2) while表示虽然......但是......、尽管......还......,是从属连词,引导让步状语从句,相当于though。例如;

While she loves her students, she is very strict with them.

虽然她爱她的学生,但是她对他们很严格。

While I admit his good point, I can see his shortcoming.

尽管我承认他的优点,我还能看到他的缺点。

3) while表示只要,是从属连词,引导条件状语从句,相当于as / so long as,可放在句首或句中。例如:

There will be life while there is water and air. 只要有水和空气,就有生命。

You don”t have to worry while we are here. 只要我们在这儿,你就别着急。

4) while表示趁着,是从属连词,引导时间状语从句。

例如:

While the roses are yet in bloom, will you come with me to see them?

趁着玫瑰花还开着,你和我一道去看看好吗?

Strike while the iron is hot. 趁热打铁。

5) while表示然而、但、却,作并列连词用,连接并列句,使前后两句构成转折和对比关系。

例如:

You like sports, while I”d rather read. 你喜欢运动,而我却宁愿读书。

Some people waste food while others haven”t enough.

有些人浪费粮食,然而有些人却吃不饱。