一、概念
连词是用来连接词、短语、句子的虚词，不能单独作句子成分，只起连接作用。
二、必考点（高频）
1. 并列连词
- and：和、并且（表并列/顺承）
- but：但是（表转折）
- or：或者/否则（表选择/警告）
- so：所以（表因果）
- for：因为（补充理由，不放句首）
- not only…but also…：不但…而且…
- either…or…：要么…要么…
- neither…nor…：既不…也不…
- both…and…：两者都
2. 从属连词（引导从句）
- 时间：when, while, as, before, after, until, since, as soon as
- 原因：because, since, as
- 条件：if, unless
- 让步：though/although（虽然）
- 结果：so…that…（如此…以至于）
- 目的：so that（为了）
- 比较：than, as…as…
三、答题技巧
1. 先看前后句逻辑
顺承→and；转折→but；因果→so；选择→or；条件→if/unless。
2. 就近原则
either…or… / neither…nor… / not only…but also…
谓语动词跟靠近它的主语一致。
3. although 不与 but 连用
只能用一个：Although he is old, he runs fast.
4. because 不与 so 连用
Because it rained, we stayed home.
5. unless = if…not
常互换，否定条件直接用 unless 更简洁。
6. while 常表对比/同时进行
前后动作同时发生，或前后对比。
7. so…that… 与 too…to… 同义转换
He is so young that he can’t go to school.
= He is too young to go to school.
8. 完形/单选优先看逻辑
不认识词也能通过“因果、转折、并列”直接排除。
中考英语连词易混对比 + 15道真题
一、易混连词核心对比
but / however
- but：直接转折，后面不加逗号
- however：句中前后加逗号，句首加逗号
because / so
- 两词不能同时用，只能选一个
though / but
- 同上，只用一个，though 不搭配 but
if / unless
- if：如果
- unless = if…not（除非，如果不）
so that / in order to
- so that + 句子
- in order to + 动词原形
when / while
- when：可接短暂/延续动作
- while：只接延续动作（进行时），可表对比
too…to… / so…that…
- too…to…：太……而不能……（简单句）
- so…that…：如此……以至于……（复合句）
neither…nor… / either…or… / not only…but also…
- 谓语动词遵循就近原则
二、中考连词真题 15 道
1. He was very tired, ______ he kept working.
A. and B. but C. so D. or
2. Hurry up, ______ you’ll miss the early bus.
A. and B. but C. or D. so
3. ______ it was raining, we went on hiking.
A. Because B. Although C. If D. Since
4. I didn’t go to school yesterday ______ I was ill.
A. so B. because C. but D. and
5. Study hard, ______ you will pass the exam.
A. and B. or C. but D. so
6. She is ______ young ______ she can’t dress herself.
A. so; that B. too; to C. either; or D. neither; nor
7. ______ Tom ______ his sister knows how to use the app.
A. Both; and B. Neither; nor C. Either; nor D. Not only; but
8. I won’t go to the party ______ I’m invited.
A. if B. unless C. when D. because
9. He likes reading, ______ his brother likes playing games.
A. when B. while C. since D. if
10. The box is ______ heavy for me ______ carry.
A. so; that B. too; to C. very; to D. quite; that
11. ______ you work hard, you won’t get good grades.
A. If B. Unless C. Though D. Because
12. Not only my parents but also my uncle ______ to the park every Sunday.
A. go B. goes C. going D. went
13. It was late, ______ we went home.
A. but B. so C. or D. for
14. You can ask your teacher for help ______ you have problems.
A. until B. if C. although D. before
15. Neither you nor he ______ right.
A. am B. is C. are D. be
先自己做，再看答案!!!
三、答案与解析
1. B
解析：前累后继续工作，转折用 but。
2. C
解析：否则，表警告用 or。
3. B
解析：虽然下雨仍徒步，让步用 although。
4. B
解析：直接原因用 because。
5. A
解析：顺承关系，努力就会通过。
6. A
解析：so + 形容词 + that 从句。
7. B
解析：neither…nor… 两者都不。
8. B
解析：unless = if not，除非被邀请。
9. B
解析：while 表前后对比。
10. B
解析：too…to… 太……而不能。
11. B
解析：除非努力，否则没好成绩。
12. B
解析：就近原则，my uncle 单数。
13. B
解析：因果关系，所以回家。
14. B
解析：如果有问题就求助。
15. B
解析：就近原则，he 用 is。
