(你喜欢体育,而我更喜欢音乐。)
三、while引导状语从句时,应注意以下几点:
1.while引导的时间状语从句既可放在句首,也可放在句末;而while引导的让步状语从句一般放在句首,不放在句末。另外,也可以从意义上加以区分。例如:
While he was tired,he went on working.
(虽然他累了,但他还是继续工作。)
(while引导让步状语从句)
While he was tired,he would have a rest.
(他累了就休息一会儿。)
(while引导时间状语从句)
2.while引导让步状语从句时,如果从句的主语和主句的主语相同,那么从句的主语和谓语动词be都可以省略。例如:
While he was ill,he went there.(=While ill,he went there.)
(虽然他有病,但他还是去那里了。)
3.while和when都可以引导时间状语从句,但应注意:while引导的时间状语从句中的谓语动词必须是延续性的动词;而when引导的时间状语从句中的谓语动词既可以是延续性动词,也可以是非延续性动词。当时间状语从句中的谓语动词是延续性动词时,while和when可以互相替换。例如:
While we were talking,the teacher came in.
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