二.连词的分类
1.并列连词连接的单词、短语或句子具有对等关 系，就是具有相同的词性、相同的结构和形态。
and（和）, but（但是）， or（或者）, for（因为）, so（所以） …both…and…（„和„都„）, either…or…（不是…就是…） not only…but also…（不仅„而且„）。
如： 1）She didn’t go to school because she was ill.
2）I found her bag after she has left.
（她走了以后，我发现了她的书包）
3）He studied hard though he had a fever. 4）I was painting the wall when he called me.
（尽管）Biblioteka 三.常见连词的用法1. 用“and”连接多个对象时，最后两个对象间用 “and”连接， 前面的其它对象间用逗号。
Bob entered the room, took off the coat and sat down in the sofa.
2. and 通常用在肯定句中，而 or 通常用在否定句和疑问句中,。
小学生英语语法
Conjunctions
一.连词的概念
1. 在句子中用来连接词与词、短语与短语或句子 与句子的词。 2. 连词在句子中不能单独作句子成分，只能起连 接作用，
如：1） I study English and Chinese. 2） Does he work at school or in the hospital? 3） I get up early, but my brother gets up late. 4） I am very busy but happy.（我很忙但我很快乐）
4. though / although不能和 but 和连用。 如：Although he is over sixty, but he works as hard as others. 改为：Although he is over sixty, he works as hard as others. 或：He is over sixty, but he works as hard as others. 5. “both…and…”（„和„都„ / 两者„都„） 意思相近，有时可以通用 “not only…but olso…” （不仅„而
3）Bob entered the room. Bob took off the coat. Bob sat down in the sofa. (and) Bob entered the room, took off the coat and sat down in the sofa. . 4）I am wrong. You are wrong. Neither you nor I am right. (neither…nor) . (if)
D.before
C 9）Mary likes music ___ Tom is found of sports. A. and B. but C. both A and B
C 10）This is my first lesson, __ I don’t know your names. A. and B. but C. so
5）I’ll call you __C I arrive at the airport. A. and B. but C. as soon as
D. if
6） A Jerry I are interested in the movie. Could you give me one more ticket? A. Both, and B. Either, or C. Neither, nor D. /,or C 7）_____ it’s raining, the match continues. A. For B. When C. Although D. Because D 8）Turn off the lights __ you go out. A. if B. though C. after
2）Which do you like better, singing and dancing?. Which do you like better, singing or dancing?. 3）Alice is not slim but also beautiful. Alice is not only slim but also beautiful. 4）Both Mom and also Dad are angry with my brother. Both Mom and Dad are angry with my brother.
5）It will be fine tomorrow. I’ll visit my English teacher. I’ll visit my English teacher if it is fine tomorrow.
6）I like white boots. My sister white boots. . Both my sister and I like white boots. 7）I won’t buy a kite. I won’t buy a balloon. I won’t buy a kite or a balloon. .
5）Not only Jane but also her parents like cooking.
2. 从属连词：用来连接主句和从句。
before（„之前）, because（因为） though（尽管）, after（„之后）, when（当„时候） if（如果） as soon as（一„就„） although（尽管）
② Neither I nor he has seen the movie.（我和他都没有看过这部电影）
③ Not only you but also he speaks French.（不但你而且他也讲法语）
8. and 和 or 都可以在祈使句中使用. “and + 句子”通常是比较好的结果，意思是“…那么就会” “or + 句子”则表示不愉快不理想的结果，意思是“…否则就会” 如：Study hard, and your math will be better.
如：1） I ate a hamburger, but I’m not full yet.
2） let’s go and play football.
3）I cleaned the house and washed clothes this morning. 4）Are you going to travel by train or by air?
1）He likes milk and juice.
2）He doesn’t like milk or juice.（在否定句中表示并列） 3）Which do you like better, apples or pears?（在疑问句中表示选择） 3.在同一个句子中，不能同时出现 because 和 so 。 如：Because John was ill, so I took him to the doctor. 应改为：John was ill, so I took him to the doctor. 或： I took him to the doctor because John was ill
2）He broke his left leg. He couldn’t attend the meeting yesterday. (because) He couldn’t attend the meeting yesterday, Because he broke his left leg. .
（不是…就是…） （…和…都…）
neither…nor…
（既不…也不…）
both…and…
not only…but also
（不仅…而且…）
3) 表示时间关系的：after, before, when，as soon as
4）其它常用连词：
表示条件关系的：if
表示让步的：although / though
且„） 如：Both you and he speaks French.（你和他都讲法语） Not only you but also he speaks French.（不但你而且他也讲法语）
6. neither … nor … 本身已经表示两者都否定，所以句子不再用否定式。 Neither she nor I are interested in ice cream. （她和我都不喜欢冰淇淋）
（努力学习，那么你的数学成绩将会很好）
Study hard, or your math will be worse.
（努力学习，否则你的数学成绩将会很差）
1.请用括号里的连词连接下列句子
1）He is rich. He is unhappy. He is rich but he is unhappy (but) .
B 3）Does Rose go to school by bike __ by bus? A. and B. or C. but D.nor
D 4）He will go to Paris ___ his aunt lives there. A. and B. so C. but . D. because
（他给我打电话时，我正在刷墙）
5）If you get tickets, please let me know.
（如果您买到票，请告诉我）
根据连词在句子中表示逻辑关系的不同，也可分为以下四类：