Section Ⅲ Grammar--复习状语从句

　　[语 境 自 主 领 悟]

先观察原句 后自主感悟 1.When he retired at the age of 26，he had won 106 gold medals in major competitions across the world.

2.But even though he had won everything it was possible to win in his sport，Li Ning retired with the feeling that he had failed. 1.句1和句4都是时间状语从句，when表示"当......时候"，whenever表示"每当......时候"。

2.句2由even though引导的让步状语从句，even though意为"尽管，即使"。 3.If you go into a school or university anywhere，the chances are you will see students in Li Ning tracksuits with the familiar logo.

4.Whenever Chinese athletes step out onto the track during the 2008 Olympics，they will be wearing Li Ning tracksuits. 3.句3由if引导的条件状语从句，if表示"如果"。 　　[语 法 精 要 点 拨]

　　一、时间状语从句

　　1．when，while和as引导时间状语从句

　　(1)when从句的动作和主句的动作可以同时发生，也可以先后发生，从句谓语动词为延续性动词或非延续性动词。

　　When I lived there，I used to go to the seashore on Sundays.

　　我住在那里时，星期天常到海滨去。

　　(2)while从句的动作与主句的动作同时发生，从句的谓语动词为延续性动词。

　　Please don't talk so loud while others are working.

　　别人工作时，请别高声谈话。

(3)as从句的动作与主句动作交替进行或同时发生，可翻译为"随着；一边......一边......"。