高一英语conjunctions课件

Grammar,Conjunctions,Listening,Listen to a song and try to find the conjunctions mentioned in the song.,when. and. even though. that. because. but. once,Song: When Christmas Comes to Town,Remember,Try to remember how many conjunctions have you learned in Senior High English.List them on your paper as many as you can.,What is conjunction,连词，主要是包括并列连词和从属连词。在句子中，连词起连接词与词、短语与短语及句子和句子的作用。它本身在句子里不单独做句子成分。,1. 并列连词and, but, or, nor, so, for yet, however, as well as, both.and, not only.but also, either.or, neither.nor2. 从属连词after, when, before, as, while, since, until, till, if, unless, lest, because, than, that, whether, so that, in order that, as if, as though, although, suppose that, provided, that, as.as, now that, such.that, in case that, on condition that,例题分析,I think you are a great family _Im glad Im going to join you. A. and B. but C. so D. however,And在这里表示有因果关系的事件。又如：You are late again and you must apologize. So也可以表示因果关系。例如：He was sick, so he was quiet.,A,2. This medicine, _ drug, has a violent effect.这种药品，或者说麻醉剂，有强烈的效果。A. And B. or rather D. but D. however,or rather: 或者说；准确地说。,B,3.They have learned English for only a year, _they can act English plays already.A. and B. yet C. however D. though,B,yet此处是连词，表示转折。,4.He had failed several times, _he was sure he would succeed in the end.but B. for C. nevertheless D. therefore,C,nevertheless,连词。他失败了好多次，然而他坚信他会成功的。,5. The text is rather difficult. It is,_, not beyond the reach of the students.A. therefore B. for C. so D. however,D,however此处是副词，意思是：然而；可是，表示转折。又如：,He hasnt arrived. He may, however, come later. 他还未到，不过，他可能过一会儿来。We have not yet won; however, we shall try again. 我们还没有取胜, 不过我们还要再试一下。,6. He worked day and night, and _ he was able to buy the big house.,He has broken his leg and therefore he cant walk. 他摔坏了腿，因此不能走路了。We do not have enough money. Therefore we cannot afford to buy the new car. 我们的钱不够,因此买不成这辆新车。,A. therefore B. so C. however D. yet,therefore “因此，所以”是副词，用法跟however一样。又如：,A,从属连词,时间状语从句：When, after, before, while, as, since, until, as soon as, 条件状语从句：if, unless, 地点状语从句：where, 目的状语从句：so that,5. 让步状语从句：although, though, even though, no matter what/how/when, 6. 比较状语从句：as, asas, not soas, than, 7. 结果状语从句：so (such)that, 8. 原因状语从句：as, because, since,从属连词练习：It might have rained last night, _the ground is wet.A. for B. because C. when D. as,A,昨晚可能下雨了，因为地面是湿的。（表示说话者从地面湿了这个现象主观推断出昨晚下雨的结论，但事实究竟如何却不得而知）,2. Did they retreat out of panic or _they wanted to save their lives?A. as B. for C. and D. because,D,Because 可以用在选择疑问句中as, for, since 不可以。,他们后撤是出于慌乱，还是想逃命?,3. He looks sleepy not _he is not feeling well, but _ he stayed up last night. that/that B. just/just C. because/because D. for/for,他看上去昏昏欲睡并不是不舒服，只不过是昨晚熬夜罢了。,because前可用否定词或其他修饰语及并列连词修饰, 但是其他表示原因的从属连词不可以。,C,C,4. Someone called me up in the middle of the night, but he hung _I could answer the phone.A. after B. before C. since D. until半夜有人给我打电话，但还没等我去接，对方就挂断了。,B,此处before的意思是“没来得及就”， “不等就”。,5. It wasnt long _ the people took up their arms and fought back.after B. before C. since D. until不久，人民就开始拿起了武器，开始反抗。,B,此处before用在否定句中表示”不久就“,6. It has been 5 years _my sister returned from abroad.7. It is 5 years ago _my sister returned from abroad.8. It was the years 1990_my sister returned from abroad.9. It will be 5 years _my sister returns from abroad. A. before B. since C. that D. when,活学活用,since,that,when,before,10. He has written to me frequently _I was ill. 11. He has written to me frequently _ I fell ill. A. since B. after C. before D. until,自从我“病愈”以来他常常给我写信。,自我生病以来他常常给我写信。,例句10从句表示“病愈”即“生病”这一状态结束以后到现在；例句11从句表示开始生病到现在。,A,A,活学活用,12. _he was in Guangzhou, great changes have taken place there. 13. He could believe that great changes had taken place 3 years _he went to Guangzhou.14. They asked me to have a drink with them. I said that it was at least ten years _I had enjoined a good drink.,A. Since B. after C. before D. until,A,C,A,15. She saved _little money she could out of her slim salary to help her brother go to school.A. so B. such C. what D. how 她把从她微薄的薪水中留出来的一点点钱都用来送弟弟上学了。,C,what在这样用时常和few或little连用，再修饰名词，其含义是“全部的尽管不多”“虽少但全部”，或“所仅有的” ”all the little money”。,16. Air is to us _water is to fish. like B. what C. but D. when,what = just as，意为“恰像，犹如，好比”用作连词，引导比较状语从句。,B,空气对于我们犹如水对于鱼。,17. You may have some idea of _the astronauts have to deal with if you try to drink a glass of water while standing on your head or while just lying down.,活学活用,how much B. how C. what D. why如果你试着倒立着或仅以躺着的姿势去喝水,就能大致体会到宇航员必须应付什么了。,C,18. _ is the cost（price）of the gold watch？A.how B. how much C. what much D. what,D,问价格度量速度、人口面积门牌（汽车电话等）号码等时，只能用what提问，不能用how much提问。又如：,What is the speed of the car？ What is the length（width, depth）of the lake？,19. We will make the factory twice _it is today. A. how B. what C. why D. when我们将使工厂比现在规模增加一倍。,B,句中的twice what it is today是动词make的宾语the factory的补足语）,20 .