1、 连 词 与 主 谓 一 致1. both.and.既.又.当both.and.放在句中，表示一个人的两种身份时，谓语动词依然为单数Eg: He is both my best friend and my neighbor.他既是我最好的朋友，又是我的邻居。当both.and.放在句首，表示两种事物，谓语动词用复数Eg: Both Miachel and Kangkang like playing basketball.2. not only.but（also）.不仅.而且.放在句首，谓语动词形式遵循就近原则Eg: Not only he but also I am good at Engli
2、sh.放在句中，谓语动词形式由主语决定Eg: He learns not only English but also Japanese.3. .as well as. .和.，.也是.，（和其类似的用法还有along with, together with）放在句首，谓语动词形式由前者单复数决定Eg: Lisa as well as her parents is talking happily. 放在句中，表示一个人的两种身份时，谓语动词依然为单数Eg: He is a scientist as well as a poet.他是一位科学家，也是一位诗人。as well放在句末，表示“也”，一
3、般不用于否定句Eg: Are they coming as well? 他们也来吗？4. either.or. 或者.或者.，要么.要么.放在句首，谓语动词形式遵循就近原则Eg: Either you or she is wrong.放在句中，谓语动词形式由主语决定Eg: They are either too young or too old.他们的年龄要么太小，要么太大了。5. neither.nor.既不.也不.放在句首，谓语动词形式遵循就近原则Eg: Neither he nor I am a doctor.我和他都不是医生。放在句中，谓语动词形式由主语决定Eg:She can nei
4、ther read nor write.6. as soon as 一.就.as soon as后面引导的句子为时间状语从句，as soon as 前的为主句，一般遵循“主将从现”,或者“主过将，从般过”。和其用法一样的还有：till/until (直到.），when当.时候Eg: Ill tell you everything as soon as you come back.= Ill tell you everything when you come back.Eg: She said she would wait until/ till her mother came back.7.
5、as long as 作为连词，意为“只要”Everything is possible as long as you prepare carefully.只要你细心准备，一切都是有可能的。作为比较级中原级用法，意为“和.一样长”This line is four times as long as that one.这条线是那条的四倍长。8. so.that./ such.that.如此.以至于.so+adj.+ a/an +n.Eg:She is so beautiful a girl that he fell in love with her for the first sight.她是如
6、此美丽的女孩以至于他对她一见钟情。such+a/an +adj.+n.Eg:She is such a beautiful girl that he fell in love with her for the first sight.9. so that/ in order that为了.Eg:She worked hard so that/in order that everything would be ready in time.她努力工作，为的是及时做好各项准备。10. even if/ even though 即使Eg:He will come even if/ even thoug
7、h it rains.即使下雨，他也会来。11. as if/ as though好像It looks as if/ as though they are right.看起来他们好像是对的。12. as正如：As you can see, in some ways we look the same.如你所见，在一些方面我们看起来一样。作为：As students, we should study hard.作为学生，我们应该努力学习。由于：As it was getting dark, we soon turned back.因为天色变暗，我们不久就回去按照：They did as I had
8、 asked.他们是按照我的要求做的。当.时，随着：As she grew older, she gained in confidence.随着年龄的增长，她的信心增强了。13. since自从+过去时间点/that引导的一般过去时的从句既然：Since it is so hot, lets go swimming.既然天气这么热，我们去游泳吧14. althouh/though虽然，尽管如此（后面不与but连用）Although in poor health, she continued to carry out her duties.虽然身体不好，但她仍然继续履行她的职责。15. whil
9、e当.时候，后面常用进行时Eg:The telephong rang, when I was having dinner.我正吃饭的时候，电话响了。然而，表转折或对比Eg:He is a teacher while I am a doctor.他是一名老师，而我是一名医生16. yet用在完成时中，表示还.Eg:I hasnt finished it yet.我还没完成呢。然而，表转折Eg:He worked hard, yet he failed.他努力工作，可是失败了。17. 以ever结尾的词=no matter.无论.whenever= no matter whenwhatever= no matter whatwhichever= no matter whichwherever= no matter wherewhoever= no matter who18. 祈使句+and+将来时（表肯定）Go at once, and youll see her.马上去，那么你就会见到她了。19. 祈使句+or+将来时（表否定）Put on your coat, or youll catch a cold.穿上外套，否则你会感冒
