转折： but, yet (however是副词）, while
并 列 连 词
for, so (adv: therefore, consequently, prep-短语：as a 因果： result, as a result of, because of, owing to, due to, thanks to)
and, not only…but also, 并列： both…and, as well as,when 选择： either…or, neither…nor， or, otherwise
练习 1. He learned English for many years, ____he but can’t speak it well. 2.Study hard, or/otherwise you will fail in the ____________ exam. 3.He got up too late, ____ he missed the flight. so 4. She always plays jokes on me. However still _________,I like her. 5. He is fat while _____his sister is thin. 6. I don’t want these shoes. They are neither _______comfortable ______nice. nor 7. _______ you ___I am crazy.we should be calm. Either or
Not only but also
for 1. It must have rained last night, ____the ground is wet. 2. He always tells us we should _________ know not only “what”, ________understand “why”, but also
1.经验是一位严厉的老师，因为她先测试再授课。 Experience is a hard teacher ____________she gives the test first, the because lesson afterwards. 2.母亲不是赖以依靠的人，而是使依靠成为不必要的人。 A mother is not person to lean on but ____a ______a person to make leaning unnecessary. 3.幸福的家庭大多相似，不幸的家庭各有各的不幸。 All happy families are like one another ________ each unhappy family is while unhappy in its own way 4.随着年龄的增长，我们并不变得更好也不变得更坏，而是变得更像我们 自己。 We grow _______ ____better ______worse as we grow old but more neither nor like ourselves.
注意：although/though,和but; because和 so不能同时用来连接两个分句。
1.Although he is a little child, but he knows a lot.
2.Because the weather is terrible, so the flight is cancelled
相关的主谓一致 1.and, both…and, 连接两个并列主语时，谓语 一般用复数。 2.not only…but also, 连接两个并列主语时，谓 语一般以靠近谓语的主语为准——就近一致 原则。用到就近一致原则的连词还有：or, nor, either…or, neither…nor等。 3.as well as, 连接两个并列主语时，谓语一般 和第一个主语一致——就远一致原则。用到 这个原则的连词还有：with, together with, along with等。
找出句子中的连词，用所给动词的正确形式完成句子 1.Mary and Lily _____(be) both interested in are collecting stamps. have changed 2.Both you and I _______________(change) a lot in the past ten years. 3.Not only you but also I _____(be) late
for the was meeting. was 4.My sister as well as my parents _____(be) watching TV last night. were 5.My sister and my parents ______(be) watching TV last night. 6.Not only my parents but also my sister was _____(be) watching TV last night.
注意：如果and连接的主语是同一个人或物时， 则谓语应使用单数。 is 1.The singer and actor ___ (is/are) popular with the youth. is 2.A Chinese and English dictionary ___ (is/are)missing. 3.The bread and butter _______(taste/tastes) tastes delicious. is ? 4.A black and white dog ____(is/are) coming.