高二英语语法解析

高二英语语法解析：状语从句　一、时间状语从句　表示时间的状语从句可由when， as， while， whenever， after， before， till (until)， since， o

： 高二英语语法解析状语从句 一、时间状语从句 when as while whenever after 表示时间的状语从句可由，，，，， before till (until) since once as soon as (the moment )by ，，，，或， the time no sooner …… than hardly (scarcely) …… when every ，，， time 等引导。 e.g. When Icame into the office the teachers were having a ， meeting. He started as soon as he received the news. Once you see him you will never forget him. ， No sooner had Igone to bed than Iwent to sleep. 二、原因状语从句 原因状语从句是表示原因或理由的，引导这类从句的最常用的连词是 because since as now that()for ( ，，，既然等，表示因果关系时它引导的 )because 不是从句为并列连词，语气不如强。 e.g. He is disappointed because he didn‘t get the position. As it is raining Iwill not go out. ， Now that you mention it Ido remember. ， 三、地点状语从句 where wherever 引导地点状语从句的连词是和等。 e.g. Sit wherever you like. Make amark where you have aquestion. 四、目的状语从句 ()so so that( 引导目的状语从句最常用的词组是，从句谓语常有情态动 )in order that in case() 词，，以防，以免等。 e.g. Speak clearly so that they may understand you. ， She has bought the book in order that she could follow the TV lessons. He left early in case he should miss the train. 五、结果状语从句