新课堂英语必修三外研版讲义Module2SectionⅡ

Section IIGrammar--------连词［思维导意为“但是；然而，常用在句中，不用逗号图］K butX与其他成分讴并比较副词however”_________意为“虽然，尽管“河以与stilLyet连用，-although M但不能与but连用___________________________意为“虽然；尽管“，表示让步＜-while意为“然而；却”，强调两种情况、活动等之间的对比或差别_、意为“尽管，虽然“，可把从句中的表语、L though状语或功自原形置字句首_______________________,•曲图精析•,连词是连接单词、短语、从句或句子的一种虚词，在句中不单独作任何成分，但大多数连接词都有具体的意义和用法本模块主要学习表示转折关系的连词等but,while,although

1.but和的用法however两者都意为“但是；然而”，均表示转折关系，但用法有所不同用作并列连词，常用来连接两个并列的句子或一个句子中的两个并列成分，表示强烈的对lbut比、转折，两个并列成分之间可以用逗号隔开，也可以不用，但是不能置于句首，并且后面but不用逗号隔开It iscold inwinter here,but it is nothot insummer.这里冬天很冷，但是夏天不热［温馨提示］作连词还可用于句式中表示歉意，本身没有意义but T...orry/Excuse me,but…”butFm sorry,but Icant helpyou withthe problem.很抱歉，我不能帮你解决这个问题用作副词时，意为“然而；但是”，用以引出令人吃惊或表示对比的话语，可以放2however在句首、句中或句末，但通常有逗号与主句隔开You maybe right.However,I stillwant todo whatI planned.你可能是正确的但是，我仍然想做我计划好的事情Your answeris wrong,however.不过你的答案是错的He hasntarrived.He may,however,come later.他还未到，不过，他可能晚一会儿来［温馨提示］还可以用作连接副词，意为“无论如何，不管怎样”，后面常接形容词或however副词，引导让步状语从句，该从句可放在主句之前或之后You shouldtry toget a good nighfssleep,however muchwork youhave todo.不管你有多少工作要做，你都应该好好休息一个晚上He triedhis bestto solvethe problem,however difficultit was.他尽力解决这个问题，不管它有多困难与的用法

2.although though和都是引导让步状语从句的从属连词，意为“尽管，虽然，一般情况下可以lalthough though互换但较正式，多用于句首，而在非正式文体中较为普遍和although thoughalthough though都不能和并列连词连用，但可以和或连用but yetstillAlthough/Though heis in poor health,yet heworks hard.=He isinpoorhealth,but heworks hard.虽然他身体不佳但是他工作很努力引导让步状语从句时可用部分倒装形式，其用法相当于把从句中的表语、状语或动2though as,词原形置于句首；若表语是可数名词单数，前置时要省略不定冠词Poor though/as heis,he livesa happylife.他虽然穷，但过得很幸福Child though/as sheis,she knowsa lot.虽然还是个孩子，她却懂得很多Much though/as heloved her,he didnttell her.尽管他很爱她，但并没有告诉她Try though/as Imight,I couldntlift thestone.尽管我试了，还是搬不动那块石头［温馨提示］还可以作副词，放在句末，用逗号和主句分开，相当于意为“然而”though however,She saidshe wouldcome;she didnt,though.她说她要来，然而却没来

1.Try though/as hewould/might,he couldntopen thedoor.

2.He performedthe taskwell,though/although slowly.

3.We alltried ourbest.We lostthe game,though/however.

4.We alltried ourbest.However,we lostthe game.

5..Although/Though/While thejob takesa significantamount oftime,most studentsagree thattheexperience isworth it.

6.I dontreally likethe author,although/though Ihave toadmit hisbooks arevery exciting.

7.Lessons can be learnedto facethe future,though historycannot bechanged.

8.Theres noway ofknowing whyone manmakes animportant discoveiywhile anotherman,alsointelligent,fails.

9.Iwasglad tomeet Jennyagain,but Ididnt wanttospendall daywith her.

10.Although/Though small,the companyhas about1,000buyers inover30countries..单句改错（每小题仅有处错误）

11.

11.If youhave astrong will,you canget overany difficulty,whatever greatitis.whateverf however或去掉

2.Although hehad topick uphis friend,but hecouldnt findtime todo itbutfyet but

3.Some peoplewaste lotsof foodbut othershavent enoughto eat,buff while

4.Hot althoughthe nightair was,we sleptdeeply becausewe wereso tiredafter thelong journey.although fas/though

5..Sailing inrough weathercanbevery unpleasant.But,we foundit exciting.BuLHowever。