1. 肯定形式Why talk so much about it? 这样大谈它干嘛?You're fully insured, so why worry? 你已经全部保险了，那何必还担心呢?Why ask me? How should I know? 为什么问我? 我怎么知...

1、表示转折关系，意为“但是，然而，可是”，所连接的成分意思相反或相对，使其前后的词、短语、分句相互对照。例如：The car is very old but it runs very fast.虽然小汽车旧了，但跑得很快...

1.时间状语从句The bus won't start until everybody gets on.公共汽车直到每人都上车为止，才开动。When he knocked at the door I was cooking.当他敲门时，我正在煮饭。Last night before he...

time的固定搭配1. ahead of time提前2. all the time一直,始终3. at a time每次，一次4. at one time曾经；一度5. at the same time同时；然而，不过6. at times有时7. behind time不及时，晚点...

Elizabeth II, Queen of England 英国女王伊丽莎白二世He was elected chairmen of the committee.他当选为协会主席。2） 表示球类、棋类的运动项目不加冠词。如：play football 踢足球 play ch...

2）过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语: yesterday, last week，…ago, in1980, in October, just now, 具体的时间状语...

一、 句法功能、表现形式不同定语从句分为限制性和非限制性两种。限制性定语从句不可缺少先行词，去掉它主句意思往往就不明确了，它与主句之间通常不用逗号分开；非限制性定语从句是对先行词的...

主要的有if, unless, as [so] long as等：You can leave now if you like. 如果你愿意现在就可以走了。As long as it doesn't rain we can go. 只要不下雨，我们就可以去。【注】除以上基本的引...

A Funny Memory 童真记趣Oh God! I think I was about seven and half when my sisters and I pulled this stupid stunt. I remember watching television with them and the show on happened ...

英语四级作文加分句型：表示采取措施 1.The government should take effective measures to cope with the current problems 2.Further efforts should be made to decrease the cost of produc...