1、专题九 连词直击 中考 考点考点一 并列连词重难点精析并列连词是中考考查的重点，主要涉及 or, and, so, but及 not only. but also, either.or, so.that等复合连词的用法。并列连词（重点考查）and“和” ，表并列或顺承关系：John, work hard and you will make much progress. 约翰，努力学习，你就会取得更大的进步。but“但是” ，表转折关系：Id love to, but Im afraid I have no time. 我很想去，但是恐怕我没有时间。or“或者/否则” ，表选择关系：Hurry
2、up, or youll miss the plane. 快点，否则你就赶不上飞机了。for/so“因为/所以” ，表因果关系：The dress was very expensive, so I didnt buy it. 那件衣服太贵了，所以我没有买。neither. nor两者都不 ：Neither he nor his children like fish. 他和他的孩子们都不喜欢鱼。either.or或者或者：Either you or he is wrong. 不是你错了，就是他错了。not only.but also.不但而且：Not only you but also he w
3、ants to buy the book. 不但你而且他都想买那本书。both.and两者都：Both she and I are good at English. 她和我都擅长英语。考点二从属连词重难点精析从属连词(重点考查)when当的时候：When he came back, I was doing some washing. 当他回来的时候，我正在洗衣服。while当的时候（两个动作同时发生）：He was watching TV while I was cooking. 他在看电视，而我在做饭。as正当的时候；随着：Things are getting better and bett
4、er as time goes on. 随着时间的推移，情况会越来越好。until直到为止，常用于短语 not. until，表示“直到才”：She didnt watch TV until she finished her homework. 她直到做完作业才去看电视。He ran until he was breathless. 他一直跑到气喘吁吁为止。as soon as一就： As soon as he finishes his exercise, he runs out of the class. 他一做完练习，就跑出了教室。since自从,常用于完成时态：It has been t
5、hree months since he moved to this city. 自从他搬到这座城市已经三个月了。【注意】若主从句表示两个同时进行的持续性动作，一般只用 while。如：While he was playing the piano, I was cooking the dinner.若主从句动作同时发生，且强调“一边一边”的意思，一般要用 as。如：She sang as she went along.若从句是一个短暂性动作，而主句是一个持续性动作，可用 as或 when，但不能用while。如：When or As he came, I was listening to th
6、e radio.若主从句表示的是两个同时发生的短暂性动作，一般用 as。如：I thought of it just as you opened your mouth.表示“每当的时候” （强调规律性） ，或主从句动作不是同时发生，而是有先后顺序时，一般都用 when。如：Its cold when it snows.引导原因状语从句的连词because表示直接原因，语气最强 I stayed at home because I was ill. 因为生病了，所以我呆在家里。since 侧重主句，表示显然的或为人所知的理由，意为“因为，既然”Since he asks you, youll t
7、ell him why. 既然他问你，你就告诉他为什么。引导条件状语从句的连词if如果,主句用一般将来时态，从句用一般现在时态 If it is fine tomorrow, well go for a picnic. 如果明天天气好，我们就去野炊。unless除非，相当于 if not，主从句的时态和 if一致 We wont get there on time unless we leave earlier. 除非我们早点出发，否则我们就无法准时赶到那儿。引导让步状语从句的连词though虽然，尽管：Though my car is very old, I dont want to buy a new one. 虽然我的汽车很旧，但我不想买一辆新的。although虽然，尽管：Although he has a lot of money, he is unhappy. 他虽然有很多钱，但并不幸福。even though/if即使 Even though/if we could afford it, we wouldnt go abroad for our vacation. 即使我们付得起这笔钱，也不出国度假。【注意】although/though 和 but不能同时出现在同一个句子中，只能任用其一。
