高中英语语法比较状语从句，高考英语语法专题20-状语从句引导词

高中英语语法比较状语从句，高考英语语法专题20-状语从句引导词•if unless so/as long as in case on condion that•3.）条件状语从句• when while as since before after as soon as once every time until till hardly..when no sooner... than the moment immediately•2）.原因状语从句•because since as now that

•1.什么叫状语从句？

1）状语：用来修饰动词、形容词、副词或整个句子的成分。一般由副词，介词短语，非谓语或从句来充当。

2）状语从句：在句子中作状语起副词作用，用来修饰动词、形容词、副词或整个句子。根据作用分为九种。

2.状语从句分类；时间、地点、原因、结果、方式、目的、条件、让步

比较

3.状语从句的结构=引导词 句子（主语 谓语）4.状语从句的引导词

•1.）时间状语从句

• when while as since before after as soon as once every time until till hardly..when no sooner... than the moment immediately

•2）.原因状语从句

•because since as now that

•3.）条件状语从句

•if unless so/as long as in case on condion that

•4）.地点状语从句 where

•5.让步状语从句 as although though whether even if/though no matter who/when/what... however whatever...

•6.）目的状语从句so that/ in order that

•7）.结果状语从句 so that/so/such---that

so that so/such...that...

•8.）比较状语从句

(as)...as than the more...the more

•9）.方式状语从句 than/as/ just as/the more----the more

•1.I didn’t manage to do it _until_____ you had explained how.

•2.The man has to wait all day __unless____ the doctor works faster.

•3.John may phone tonight. I don’t want to go out ____in case_____ he phones.

•4.You should make it a rule to leave things __where____ you can find them again.

•5.The research will take Joan and Paul about five months; it will be a long time __before_____ we meet them again.

•6.____________although/though/while/__________ the Internet is of great help I don’t think it’s a good idea to spend too much time on it.

•7.Roses need special care ___so that________ they can live through winter.

•8.The WTO cannot live up to its name __if___ it doesn’t include a country that is home to one fifth of mankind.

•9._______since/now that_____ you’ve got a chance you might as well make full use of it.

10.We’ll have to finish the job _____however long it takes___________(不管它要花费多长时间