必修模块语法：连接词

1、Grammar连词：连词：but, however, although, whilebut: 连接两个并列分句连接两个并列分句 Honey is sweet, but the bee stings. I ought to have helped her, but I never could.2. 连接两个并列成分连接两个并列成分 They see the trees but not the forest.He no longer felt disappointed, but happy and hopeful.3.后接状语后接状语He tried to save it, but in vain

2、.He glanced about, but seeing only the empty room.however1. 多插在句子中间多插在句子中间1) His first response was to say no. Later, however, he changed his mind.2) Sales are poor this month. There may, however, be an increase before Christmas.2.有时也放在句首或句尾有时也放在句首或句尾Ill offer it to Tom. However, he may not want it.

3、You know all this as well as I do, however. although, though although和和though 都可作连词，引都可作连词，引导让步状语从句，意思是导让步状语从句，意思是“虽然虽然”，“尽管尽管”；在英语里如果用了；在英语里如果用了although或或though,就不能再用就不能再用but,但可以用但可以用yet或或still. although较正式，多用于句首。较正式，多用于句首。(1)though在非正式语体中较为普遍，在非正式语体中较为普遍，但在下列用法中，不能用但在下列用法中，不能用although,要要用用though.

4、a.表示强调时要用表示强调时要用even though.b. though 可以用在倒装句中。可以用在倒装句中。 Young though he is, he is quite experienced.c. though 可以用作副词，表示可以用作副词，表示“然然而而”, 通常放在句末。通常放在句末。 1) He said he would come. He didnt, though. 2) Ive a bit of headache. Its nothing much, though. 3) Economics is a difficult subject. Its interesting

5、, though.While常用来引导状语从句，表示对比、常用来引导状语从句，表示对比、让步、时间等让步、时间等Some countries are rich, while others are extremely poor.While Toms very good at science, his brother is absolutely hopeless. While they are my neighbors, I dontknow them well.While we dont agree, we continue to be friends.Strike while the iron

6、 is hot.单项选择单项选择1. John saves his money,_ George spends all he gets. A. whether B. as C. though D. while2. Id love to come _I cant make it till 8 oclock. A. so B. but C. however D. while 3._Im writing this, you can be doing something else. A. Before B. After C. Until D. While4. _times were changed,

7、Bursley was still Bursley. A. Whether B. Though C. Whenever D. however5. The south of the country grows richer, _the north grows poorer. A. while B. neither C. if D. although6. _he is very old, he is healthy. A. As B. However C. Though D. Whereas7. Britain is not mountainous, _Italy is. A. however B

8、. while C. although D. unless8. He was feeling bad. He went to work, _, and tries to concentrate. A. however B. so C. although D. while9. He promised to help me. _,he is busy and hasnt come. A. While B. Although C. However D. Whether10. Shes been learning Italian for six years,_ she doesnt speak it

9、very well. A. for B. so C. but D. as11.They wanted to charge $5 000 for the car,_ we managed to bring the price down. A. but B. so C. when D. since12. -Somebody wants you on the telephone. -_no one knows Im here. A. For B. And C. But D. So 13. Victor certainly cares too much about himself. Yes. Hes

10、never interested in what _ is doing. A. no one else B. anyone else C. someone else D. nobody else14. In the dark forests _, some large enough to hold several English towns. A. stand many lakes B. lie many lakes C. many lakes lie D. many lakes stand15. I do very single bit of housework _ my husband B

11、ob just does the dishes now and then. A. since B. while C. when D. as16. My advisor encouraged _ a summer course to improve my writing skills. A. for me taking B. me taking C. for me to take D. me to take17. Mr. Hall understands that _ maths has always been easy for him, it is not easy for the stude

12、nts. A. unless B. since C. although D. when18. Our bodies are strengthened by taking exercise . _, our minds are developed by learning. A. Probably B. Likely C. Similarly D. Generally 19. These football players had no strict _ until they joined our club. A. practice B. education C. exercise D. training20. We agreed _ here but so far she hasnt turned up yet. A. having met B. meeting C. to meet D. to have met