Unit1重点句型精讲.doc

Unit1 重点句型疑问词+不定式【原句回放】The doctors don’t know exactly what is wrong with me, so they don’t know how to make me well.【点拨】不定式和疑问词whether, what, which, whom, where, when, how, why等连用，在句中起名词性作用，常跟在tell, know, show, decide, learn, wonder，explain, advise, teach, discuss, find out等动词后作宾语，有时也作主语、表语。例如：Do you know how to prove a new idea in scientific research?How to do it is a problem for me now.The most important problem is how to get so much money. 【拓展】介词后一般不直接跟不定式，但可以跟疑问词+不定式短语作宾语。例如：Mary gave some advice on how to learn English.I have no idea of how to do it.【随时练】①--Do you have the experience like that?--Well, I’ve done the work before, so I know what_____in my new job here.A. expected　　 B. expecting　　 C. to expect　　 D. to be expectingkey：C。so that 【原句回放】There should be a space at the end of each row so that people in wheelchairs can sit beside their friends.【点拨】so that：in order that; with the result that。作“以便”，“为的是”讲，从句中通常用may(might)或can(could)等情态动词。例如：We learn English so that we may get more knowledge.【拓展】1如果so that 引出的从句为否定结构，则其谓语多用should+v原形，此时，so that 常译为“免得，以免”。例如：He looked down so that she should not see his eyes.2so that 意为“以便于”，引导目的状语从句；而so…that…意为“如此……以至于”，引导结果状语从句。【随时练】John shut everybody out of the kitchen _____ he could prepare his grand surprise for the party. A. which　　 B. when　　 C. so that　　 D. as ifkey：C。句意：约翰把每个人都关在厨房门外，以便他能够为晚会准备一份巨大的惊喜。so that:为了；以便于be +形容词+ to do【原句回放】The buttons in the lift should be easy for people in wheelchairs to reach…(Page 8)【点拨】be easy to do 中，easy后用不定式的主动表被动。有此用法的形容词还有：important, light, difficult, heavy, comfortable，fit等。例如：This kind of water isn’t fit to drink.The box is difficult to carry.【随时练】Come and see me whenever______.（03全国）A. you are convenient　　　　　B. you will be convenientC. it is convenient to you　　 D. it will be convenient to you.key：C。convenient指做某事对某人来讲是方便的，而不能理解为，某人是方便的。故排除A、B。D项时态不对，whenever引导时间状语从句，用现在时表将来。used to 【原句回放】In fact, I used to dream about one day being a famous football playe