1、英语中主要连接词引导的从句（1）句型5 as, though, although引导的让步状语从句。注意although位于句首；though位于句首或句中；as位于句中=though=that。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。参考倒装结构 请注意下列句式的变化：例句1. Although/Though Im young, I already know what career I want to follow.Young as/though/that I am, I already know what career I want to follow.我虽然年轻，但我已
2、经明白我应该追随什么样的事业。2. Although/Though I respect him very much, I cannot agree with his idea. Much as/that/though I respect him, I cannot agree with his idea. 虽然我很尊重他，但是我不同意他的观点。3. Although/Though he is a child, he knows a lot of Chinese characters. Child（省略冠词）as/though/that he is, he knows a lot of Chin
3、ese characters. 他虽然还是个孩子，却认识了许多汉字。4. Although he tried, he couldnt solve the problem. Try as he might, he couldnt solve the problem. 尽管他努力了，但是他没有解决问题。5. Although it is raining, Im going out for a walk. Raining as it is, Im going out for a walk. 天虽然在下雨，我还是要出去散步。 6. Strange as it may seem, nobody was
4、injured in the accident. 这次意外虽然显得不可思议，却没有人受伤。7. Much as I would like to help, I have a lot to do. 虽然我很想帮助你，但是我有很多事要做。8. Object as you may, I will go. 纵使你反对，我也要去。高考题回放1. Mr. Hall understands that _ math has always been easy for him, it is not easy for the students.（2003北京春季）A. unlessB. ifC. althoughD
5、. when2. Parents should take seriously their childrens requests for sunglasses _ eye protection is necessary in sunny weather.（2004上海） A. becauseB. thoughC. unlessD. if3. _, I have never seen anyone whos as capable as John.（2001上海） A. As long as I have traveledB. Now that I have traveled so much C.
6、Much as I have traveledD. As I have traveled so much 4. _, he talks a lot about his favorite singers after class.（2005重庆） A. A quiet student as he may be B. Quiet student as he may be C. Be a quiet student as he mayD. Quiet as he may be a student5. _ most of the earths surface is covered by water, f
7、resh water is very rare and precious.（2006上海春季） A. AsB. OnceC. IfD. Although 6. Although the wind has _, the rain remains steady, so you still need a raincoat.（2006湖北） A. turned upB. gone backC. died downD. blown out 7. Im certain Davids told you his business troubles. _, its no secret that he owes
8、a lot of money to the bank.（2006湖北） A. HoweverB. AnywayC. ThereforeD. Though 8. Although she did not know Boston well, she made her way _ to the Home Circle Building.（2006湖南） A. easy enoughB. enough easyC. easily enoughD. enough easily9. Although the causes of cancer _, we do not yet have any practi
9、cal way to prevent it.（2006山东） A. are being uncoveredB. have been uncovering C. are uncoveringD. have uncovered 10. Although medical science _ control over several dangerous disease, what worries us is that some of them are returning.（2006江苏） A. achievedB. has achieved C. will achieve D. had achieve
10、d 11. _ he has limited technical knowledge, the old worker has a lot of experience.（NMET2006） A. SinceB. UnlessC. AsD. Although 句型7 before特殊用法（1）“没来得及就”例句The roof fell before he had time to dash into the room to save his baby.他还没有来得及冲进房间救孩子，房顶就塌了。He ran off before I could stop him. 我还没有来得及阻止，他已经跑了。T
11、o my great disappointment, my favorite singer left the concert before I could have a word with her. 让我非常失望的是，我还没有来得及和我最喜欢的歌手打招呼，她就已经离开了。句型8 before特殊用法（2）“过了多久才”或“动作进行到什么程度才”例句They walked about fifty miles to the west before they saw a village.他们西行50英里才看到一个村庄。The workers worked day and night about th
12、ree days before everything returned to normal.工人们连续工作3天才使一切恢复正常。He almost knocked me down before he knew it.他几乎撞到我了才意识到。We had walked a long way before we found some water. 我们走了很长的路才找到一点水。Five years went by before I knew it. 不知不觉，五年过去了。句型9It was + 时间段+before.“过了多久才（怎么样）”It was not long before.“不久，就”
13、It will (not) be +时间段+before.“要过多久（不久）才”(before从句谓语动词要用一般时态)例句It was not long before he sensed the danger of the position.不久他就意识到他处境的危险。It was five days before he came back. 五天后他才回来。It will be half a year before you graduate from the school. 再过半年你才能毕业。It will not be long before they understand each
14、other. 他们大概不久就会互相了解。高考题回放1. It was evening _ we reached the little town of Winchester.（2004天津）A. that B. until C. since D. before 2. Scientists say it may be five or six years _ it is possible to test this medicine on human patients.（2004福建） A. since B. after C. before D. when 3. Someone called me u
15、p in the middle of the night, but they hung up _ I could answer the phone.（NMET2000）A. as B. since C. until D. before 4. He made a mistake, but then he corrected the situation _ it got worse.（2003北京） A. until B. when C. before D. as 5. It was some time _ we realized the truth.（2005山东） A. when B. unt
16、il C. since D. before 6. The American Civil War lasted four years _ the North won in the end.（2005广东） A. after B. before C. when D. then 7. Why didnt you tell him about the meeting? He rushed out of the room _ I could say a word.（2006四川） A. beforeB. untilC. whenD. after 8. How long do you think it w
17、ill be_ China sends a manned spaceship to the moon?Perhaps two or three years.（2006福建）A. when B. until C. that D. before句型22in case of(+n.) “以防；万一”；in case that“以防，万一”（谓语动词用一般现在时态或should+动词原形）例句In case of fire, what should we do?Please remind me about it in case I forget/should forget. 万一我忘了，请提醒我。In
18、 case (that) John comes/should come, please tell him to wait.Please take your umbrella in case (that it rains/should rain).带上雨伞，以防下雨。高考题回放1. The sign reads “In case of _ fire, break the glass and push _ red button.” (NMET2003) A. 不填；aB. 不填；theC. the; theD. a; a 2. I dont think I will need any money,
19、 but Ill bring some _.（NMET2003）A. at lastB. in caseC. once again D. in time3. I always take something to read when I go to the doctors _ I have to wait.（2005全国II） A. in case B. so that C. in orderD. as if 4. Youd better take something to read when you go to the doctor _ you have to wait.（2005广东） A. even ifB. as ifC. in case D. in order that 5. He got to the station early, _ missing his train.（2004江苏） A. in case of B. instead of C. for fear of D. in search of 6. We always keep _ spare paper, in case we run out.（2006浙江高考题） A. too muchB. a number ofC. plenty ofD. a good many答案：1-6BBACCC