新课标初中英语状语从句教案及精品练习讲解掌握状语从句的作用。
▲掌握状语从句的意义。
▲掌握各种不同类型的状语从句。
【知识要点】状语从句在句中作状语，修饰句中的动词、形容词或副词等。
状语从句由从属连词作关联词，从属连词在从句中不充当句子成分。
状语从句在主句之前，一般要用逗号分开，朗读时用升调。
状语从句在主句之后，一般不用逗号，朗读时用降调。
状语从句按其意义和作用可分为时间、条件、原因、让步、目的、结果、方式、比较、地点等类型。
1. 时间状语从句（1）..................................................... 常用的连词有when （当.... 时候），while （当..................... 时候），before（在以前）,after （在••…以后），until（till）（直到••…为止）,sinee （自从..... 以来），as soon as （一... 就）等。
（2）时间状语从句中一般不用将来时，若谈论将来的事情，往往用一般现在时代替：女口：rII go on with the work whenl ________ （come） back tomorrow.As soon as he ___________ （finish） the work, he will eometo see me..2. 条件状语从句常由if （假如、如果） No matter （不管）来引导，如果主句是一般将来时，从句往往用一般现在时来表示将来。
如：I'll go for a picnic if it ____ (be) fine.No matter what he _______ (say) ，I won't believe him ，3. 原因状语从句(1) 常由because, since, as 引导。
(2) because 表示直接的原因，着重点在从句，用于回答why, 语气最强。
because 不能与so 连用。
since 一般表示对方已知的，无须加以说明的既成事实的理由，全句中心在主句，语气比because 弱，常译为“既然”。
as 表示十分明显的原因，一般说明因果关系，着重点在主句，语气较弱。
常译为“由于”。
for 是个并列连词，只能放在另一个并列分句后面，表示一种推理或解释，或用作附加说明，而不是指理由或原因，语气最弱，一般不放在句首，常译成“因为”。
如：______ it is raining hard, we won't go hiking.______ you are ill, I'll go alone.I can't go to school _______ I am ill.You haven't met him, _____ he didn't come here.4. 结果状语从句一般由so...that, such...that 引导，so 与such 的区别：(1) so＋形容词＋a / an ＋名词(2) such + a /an +形容词+名词 (3) such +形容词+不可数名词/ 可数名词复数(4) so ＋many / much / few / little ＋形容词＋名词如：It's ______ a heavy box that nobody can move it.It's _____ heavy a box that nobody can move it.There are _______ many books in the library5. 目的状语从句往往由so that, 引导，如：I'll speak slowly __________ you can understand me.6. 比较状语从句常由as...as, than, not as / so...as 等引导。
比较从句部分常是省略句，如：rm taller ______ he (is).Science is not ____ popular ____ English.7. 让步状语从句由though 或although ( 虽然) 等引导，但不能与but 同时连用，改错：Though it snowed heavily,but they kept on working.1. 方式状语从句常用as if ,as though (好像)引导。
如：He acted as if (though) nothing had happened.2. 地点状语从句常用where, wherever 引导。
如：I'll go where work is hard.【典型例题解析】例1 The question was _______ difficult that nobody couldanswer _____ .A. very...themB. very...itC. so...themD. so...it解析因为句中有that,所以前面用so,构成so••…that从句，而question 是单数，用代词it ，故选D。
例2 It was _____ that he had to ask for help.A. such big workB. so big a workC. so a big workD. such big job解析work 是不可数名词，指工作或工程，故选A。
例3 He won't believe it _________________ he sees it with his own eyes.A. whenB. afterC. untilD. as soon as 解析此句是not……until, 直到……才”故答案选G例4 I'll go ____ with you _______ next Sunday.A. hunting...when I will have timeB. to hunt...until I'm freeC. boating...if I have nothing to doD. to boat...as I will not be so busy解析去打猎、划船常用go hunting, go boating ，所以应在A和C 中选择，又因为when和if在句中引导状语从句时，要用一般现在时表示将来，故选C。
例5 It's almost three years _________ I last saw her.A. sinceB. whenC. thatD. after解析本句表示自从上次见到她几乎有三年了，句型It's+ 时间段+since 从句( 过去时) ，故选A。
【选讲例题】用所给动词适当形式填空例6 I'll go to Shanghai if I (have) time tomorrow.And I want to know if you _______ (have) time to go with me.解析第一句中if 是“假如”的意思引导状语从句，要用一般现在时表示将来时，第二句中if 是“是否”的意思，引导宾语从句，仍用将来时。
例7 —Could you tell me when he _______ (return) home next week?—Sorry, I can't. But I will ring you up when he ________(return) home.解析第一句中的when 意思是“什么时候”，引导宾语从句用将来时态，第二句中的when是当••…时”的意思，引导时间状语从句，用一般现在时表示将来。
【课内追踪练习】单项选择( ) 1.Jack was tired _______ he played tennis all afternoon.A. ifB. as soon asC. becauseD. before( ) 2_____ he finished his work, he left hurriedly.A. As soon asB. In order thatC. UntilD Since ( ) 3. ______ the rain has stopped, let's start again.A. ForB. BecauseC. SinceA. so thatB. becauseC. so as to( ) 5.They waited _____ it was dark outside.A. sinceB. untilC. soD. while【复习小结】1.牢记引导各类状语从句的连词及它们的不同意义和作用。
2. 注意区别when （什么时侯）引导宾语从句、（当••…时）引 导状语从句；if （是否）引导宾语从句、（假如）引导条件状语从句； so .... that 、so that 、such ........... that3. 注意用一般现在时表示将来的几种句式。
【巩固练习】、单项选择( ) 6.Mike is _____ boy that we all like him.D What ( ) 4.He started early_____ he could get there before nine.D. in order toA. a good soB. so good aC. a such goodD. such good a( ) 7.It was ______ that they wanted to go for a picnic in thecountry.A. such a fine weatherB. so fine a weatherC. a fine weather soD. such fine weather( ) 8.Ships are ______ than planes that few people take themon business.A. too much slowerB. very much slowerC. so much slowerD. much more slower( ) 9.They had started harvesting rice ____________ the rain began. A. after B. before C. since D. as二、在下列各句中填入适当的状语从句连词，使句子意思完整、通顺10 I will tell you the secret __________ you don't tell anyone else about it.11 Mary always takes a seat in the first row ____________ shecan hear better.12. We didn't notice anything wrong with the computer________ we started using it.13. The young doctor was a bit worried ___________ it washis first time to operate on a patient.14 The elephant has _______ strong a body _______ it can do heavy work for people.15. It is __________ a difficult problem __________ nobody can workit out.三、句型转换16 Use your head, then you'll find a way.____ you use your head, you'll find a way.17 I went to bed after my father came back home yesterday.I ________ go to bed _____ myfather cameback homeyesterday.18 The island is so beautiful that it can attract largenumbers of people.The island is beautiful _____ ___________ attract large numbers of people.19 My dress is more expensive than Lily's.Lily's dress is __ ________ expensive as mine.20 My sister is so young that she can 'tgo to school.My sister is ____ young ______ go to school.欢迎您的下载，资料仅供参考!致力为企业和个人提供合同协议，策划案计划书，学习资料等等打造全网一站式需求。