1、状语从句初中英语定义1.什么是状语？修饰实义动词，形容词，副词，整个句子成分。I fought with my classmate yesterday afternoon in the classroom because she broke my phone.时间地点原因2.什么是状语从句？由一个句子充当状语成分。句式：主句+连接词+从句 连接词+从句，主句 连接词的使用是重点九大九大状语从句状语从句时间时间地点地点原因原因结果结果条件条件目的目的让步让步方式方式比较比较KEY WORDKEY WORDKEY WORDKEY WORDKEY WORD时间状语从句1.连接词when 当.时whi
2、le 正当时before 在.之前after 在.之后Since 自从.以来as soon as 一.就.until 直到.为止第一组：when，whilewhen 当.时。引导的从句可以用延续续性动词，也可以用短暂性动词。When Dad was drinking Coke,Mom went to bed.Dad was drinking Coke when Mom went to bed.while 正当时;正在时。引导的从句中，谓语动词必是延续性延续性动词，且常用进行时进行时。While Dad was drinking Coke,Mom went to bed.While Dad wa
3、s drinking Coke,I was doing my homework.特殊用法：当主句和从句都是进行时，要用while，强调两个动作同时进行。能用when的情况，都可以用while来替换。能用while的情况，不一定能用when来替换。when 和 while 是可以替换使用的。before 在.之前。表示主句的动作发生在从句的动作之前之前。I had to finish the picture before my mother came in.after在之后。表示主句的动作发生在从句的动作之后。He becamean English teacherafterhe leftscho
4、ol.第二组：before，aftersince 自.以来。主句用现在完成时，从句用一般过去时。I have studied in this schoolsince2019.two years ago.I was in Grade 7.as soon as 一.就。从句常用一般现在时，主句用一般将来时。I will call youassoonasIarrive home.until 直到.。常用在“not.until.”结构中，表示“直到.才.”She lived with her parents until last year.She didnt live with her parents
5、 until last year.她和父母住在一起直到去年。直到去年她才和父母住到一起。1.In China and some other countries,it is impolite to speak loudly_you are having a meal.A.before B.after C.when D.although2.I was surfing the Internet _my brother was doing his homework.A.after B.before C.while D.when3.Bob,dinnerisready.Pleasewashyourhand
6、s_youeat.A.until B.after C.while D.before4.I had to finish my homework _my mom went home.A.after B.before C.while D.when5.We wont leave here _our teacher comes back.A.until B.since C.after D.as soon as6.She has lived in the city_ she came back from Vietnam.A.when B.before C.since D.after7.We wont le
7、ave here _our teacher comes back.A.until B.since C.after D.as soon as8.She has lived in the city_ she came back from Vietnam.A.when B.before C.since D.after9.Ill write to you _I get there.A.while B.before C.by D.as soon as主将从现主将从现主祈从现主祈从现主情从现主情从现主过从过主过从过时态（遵循三大原则）如果主句是一般将来时，从句如果主句是一般将来时，从句用一般现在时代替一般
8、将来时。用一般现在时代替一般将来时。主将从现主将从现若主句是以若主句是以 be be,dodo,letlet,dondon t t，nevernever开头的祈使句，开头的祈使句，则从句用一般现在时。则从句用一般现在时。主祈从现主祈从现若主句中含有若主句中含有cancan，maymay，mustmust，should should等情态动词，等情态动词，则从句用一般现在时。则从句用一般现在时。主情从现主情从现若主句为一般过去时，若主句为一般过去时，则从句也用一般过去时。则从句也用一般过去时。主过从过主过从过Donttalkonamobilephonewhenyouseeafilm.Ill go
9、 to Xian when the class is over.Youcangetgoodgradesifyoustudyhard.When he was five years old,he can swim.1.He_a teacher when he grows up.A.will be B.is C.was D has been2.Please call me when he _ back.A.come B.will come C.comes D.came3.You can have a big meal when you_your homework.A.finished B.will finish C.finish D.finishes4.I didnt go to bed until my mother_ back.A.come B.will come C.comes D.came谢谢观看THE SMELL OF SUMMERSUMMER
