人教版八年级英语下册Unit4单元语法归纳与练习.ppt

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1、英语英语单元语法归纳与练习单元语法归纳与练习情态动词情态动词should/couldshould/could与与until,although,so thatuntil,although,so that引导的状语从句引导的状语从句一、情态动词一、情态动词shouldshould与与couldcould1.1.情态动词情态动词shouldshould的用法的用法 should should表示责任和义务、提出劝告等表示责任和义务、提出劝告等,意为意为“应该应该;应当应当”,”,可用于所有人称可用于所有人称,其其否否 定形式是在定形式是在shouldshould后加后加not,not,可缩写为可缩写

2、为shouldntshouldnt。You should wait a little longer.You should wait a little longer.你应该再多等一会儿。你应该再多等一会儿。You shouldnt talk with him like this.You shouldnt talk with him like this.你不应该这样跟他说话。你不应该这样跟他说话。英语英语2.2.情态动词情态动词couldcould表建议的用法表建议的用法 could could可以用来提供建议可以用来提供建议,意为意为:“可以可以”。When we have problems i

3、n our When we have problems in our life,welife,we could ask our could ask our parents,teachersparents,teachers or friends for help.or friends for help.生活中有困难时生活中有困难时,我们可以向父母、老师或朋友求助。我们可以向父母、老师或朋友求助。二、二、until,although,sountil,although,so thatthat引导的状语从句引导的状语从句1.until1.until untiluntil连词连词,意为意为“直到直到之时

4、之时”,”,引导时间状语从句。在肯定句中必须与延引导时间状语从句。在肯定句中必须与延续续 性的动词连用。性的动词连用。notnot.until.until.表示否定表示否定,意思是意思是“直到直到才才”。They didnt go to bed until the work was finished.They didnt go to bed until the work was finished.他们直到完成工作才去睡觉他们直到完成工作才去睡觉。Until you told me about Until you told me about it,Iit,I had known nothing.

5、had known nothing.直到你告诉我那件事直到你告诉我那件事,我才知道我才知道。英语英语2.although2.although although although连词连词,意为意为“虽然虽然,尽管尽管”,引导让步状语从句引导让步状语从句,可以放在主句前面可以放在主句前面,也也可可 以放在主句后面。以放在主句后面。I dont know them well although we are neighbors.I dont know them well although we are neighbors.尽管我们是邻居尽管我们是邻居,但我不太了解他们。但我不太了解他们。Althoug

6、h my sister was Although my sister was ill,sheill,she went to school yesterday.went to school yesterday.虽然我姐姐病了虽然我姐姐病了,但是她昨天还是去上学了。但是她昨天还是去上学了。3.so that3.so that so that so that意为意为“以便以便;为了为了”,常用来引导目的状语从句。常用来引导目的状语从句。I study hard so that I can catch up with my classmates.I study hard so that I can c

7、atch up with my classmates.我努力学习我努力学习,以便赶上我的同学。以便赶上我的同学。He runs every morning so that he can keep healthy.He runs every morning so that he can keep healthy.为了保持健康为了保持健康,他每天早晨跑步。他每天早晨跑步。英语英语单项选择单项选择()1.()1.My friend Tom often copies my homework.My friend Tom often copies my homework.Although he is yo

8、ur best Although he is your best friend,youfriend,you still tell him still tell him that is wrong.that is wrong.A.couldA.couldB.mightB.might C.canC.canD.shouldD.should()2.()2.You You write him a letter to say you are sorry for write him a letter to say you are sorry for it.it.I Im not good at writin

9、g m not good at writing letters.Iletters.I want to talk about it want to talk about it the phone.the phone.A.could;onA.could;onB.should;inB.should;in C.can;atC.can;at D.must;byD.must;byD DA A英语英语()3.()3.My parents donMy parents dont want me to go out on weekends.t want me to go out on weekends.YouYo

10、ud better talk with d better talk with them.Therethem.Theres s no need for you to no need for you to argue with them!argue with them!A.WhatA.Whats s wrong?wrong?B.WhoB.Who can help me?can help me?C.WhatC.What should I do?should I do?D.WouldD.Would you help me?you help me?()4.()4.What a mess!The shar

11、ing bikes are thrown everywhere.What a mess!The sharing bikes are thrown everywhere.LetLets collect and put them in the right place s collect and put them in the right place they they can be used conveniently.can be used conveniently.(2018(2018东营东营)A.unlessA.unlessB.soB.so that that C.becauseC.becau

12、seD.soD.so long as long asC C B B英语英语()5.()5.Mr.SmithMr.Smith has learned Chinese for only half a year,has learned Chinese for only half a year,he can speak it very well.he can speak it very well.(2018(2018贵港贵港 )A.ButA.But B.SoB.So C.AlthoughC.AlthoughD.AndD.And ()6.)6.Excuse Excuse me,canme,can you

13、 you tell tell me me the the way way to to the the nearest nearest underground station?underground station?Walk straight on Walk straight on you see a white you see a white building.Itbuilding.Its s right there.right there.(2018(2018苏州苏州)A.thoughA.thoughB.sinceB.since C.untilC.untilD.ifD.ifC C C C英语英语