5. He promised to help me. ____,he is busy and hasn’t come. A. While B. Although C. However D. Whether 6. She’s been learning Italian for six years, ______ she doesn’t speak it very well. A. for B. so C. but D. as
although/ though …but…
×
√
although/ though …still/yet…
1. I’d love to come ______ I can’t make it till 8 o’clock. A. so B. but C. however D. while 2. ____ I’m writing this, you can be doing something else. A. Before B. After C. Until D. While
主从复合句
让步状语从句
although though
引导词
even if even though while
however whatever whoever whomever whenever wherever whichever how
what who no matter
whom
when where which
but VS however However 放于句首句尾句中都可以, 但有逗号与之隔开。 But 转折意义更强烈, 既可以连接两个句子, 也可以连接
句子中的两个并列成分。
We’ve got so many troubles , however , we have solved most of them. You know all this as well as I do, however. They like reading novels but they don’t like writing it.
A. While
C. Before
B. Since
D. Unless
14. ______modeling business is by no means easy to get into, the good model will always be in demand.
A. While
B. Since
3. Britain is not mountainous, _____Italy is. A. however B. while C. although D. unless
4 Mr. Hall understands that _____ maths has always been easy for him, it is not easy for the students. A. unless B. since C. although D. when
7.They wanted to charge $5000 for the car, ____ we managed to bring the price down. A. but B. so C. when D. since 8. —Somebody wants you on the telephone. —_____no one knows I’m here. A. For B. And C. But D. So
18 This is a very interesting book. I’ll buy it , __________ . A how much may it cost
B no maever much it may cost
D how may it cost
连 词
连词是一种虚词, 在句中不单独充当句子成分，只 起连接词与词、短语与短语以及句子与句子的作用。在 汉语里，通常可以把两个或更多的句子连起来而不用连 词，这在英语中一般是不行的，句子只要一超过两个， 通常就要用连词连接。连词一般不重读，分为并列连词 和从属连词。并列连词引出并列句，从属连词引出主从 复合句。 并列句是由两个或两个以上互不依从的简单 句构成，由并列连词连接，并列连词前可用 “，”也可不用“，”。并列句中的前后单句 可表同等关系、转折关系、选择关系和因果关 系。
C 12 Excuse me for breaking in, _____ I have some news for you. A. so B. and C. but D. yet
13. ____I accept that he is not perfect, I do actually like the person.
9 You should try to get a good night’s sleep____ A much work you have to do. A. however B. no matter C. although D. whatever D 10. Some people waste a lot of food _____ others haven’t enough to eat. A. however B. when C. as D. while B 11. _____ he had to write a history paper. _____ he couldn’t find time to do it. A. Although; but B. Although; / C. Even thought; / D. Even if; /
表同等关系的并列连词：and
表转折关系的并列连词：译为“但是” “然而” but yet while however nevertheless nonetheless 表选择关系的并列连词：or 表因果关系的并列连词：so
While可引导状语从句，表让步和时间；
while还可连接并列句，表前后对比。 I do every single bit of housework while he just does the dishes now and again. While I accept that he's not perfect in many (but) respects, I do actually quite like the man. Strike while the iron is hot. (although) I thought I heard him come in while we were having dinner. (during)
C. As
D. If
15. —Have you been to New Zealand?
__No, I’d like to, _____.
A. too B. though C. yet D. either
however/no matter how 16 He can answer the question ________ hard it is. 17 I grew up in Africa , ________ at least I should say that I spent much of the first ten years of my life there. A and B or C so D but