专升本英语讲义.ppt

词类： 代词： 1．both, either 和neither both: 二者都(复数) Both of the boys are clever. neither：二者都不（单数） Neither of the boys is clever. either： 二者中任何一个（单数） Either of the boys is clever. Both problems are not difficult. 2. other, another, the other, others, the others another: 泛指众多中的另一个， 又一个， I have finished the novel. Please give me another (one) Would you like another (cup of tea)? They will stay in Beijing for another two days. other： 其他的， the other：两者中的另一个，用于 “one… the other…” 词组中 He has two sisters. One is a doctor, the other is a nurse. others: 代替或泛指其他的人或事 the others: 表示在一定范围内的，剩下的人或事，其他所有的人或事,1.You may come on Tuesday or Wednesday, ___ day will do. A all B both C either D one 2. Of the three foreigners, one is from Japan and ___ two are from Korea. A other B the other C some D any 3.Our factory gave ___ worker a bonus of 800 yuan at the end of the year to praise their hard-working. A either B every C all D both 4.Tove does not know ___ of them. She only knows a few of them. A all B none C both D any,形容词、副词 1. 同级比较： 肯定句： as 原级 as… 否定句： not as/so 原级 as… 倍数/修饰词+ as … as… 倍数：half, twice, three…times 修饰词：almost, nearly, exactly, quite… The building is almost as high as that one. The book is three times as thick as that one. 2. 比较级的用法 数量/倍数/修饰词 + 比较级 + than 修饰词：much, far, rather, even, a lot, a little, no(not any)… He is two years older than his brother. Your house is twice larger than his.,2个词组： 1. bigger and bigger lower and lower 比较级and 比较级 more and more beautiful 越来越… more and more wonderful In winter, the days are getting shorter and shorter. Beijing is becoming more and more beautiful. 2. the比较级……, the比较级…… : 越… , 就越… The more you read, the more you know. The harder you study, the better result you will get. The farther he went, the more afraid he felt.,How often: 问次数/频率，用twice, three times…回答 How long：问时间， 用20 minutes, two weeks…回答 How soon：问多快/多久以后， 用in 20minutes, in two weeks…回答 How far： 问多远， 用距离回答 20 minutes’ walk,1. This brand of computer is ___ more expensive than I expected. A plenty B a lot C plenty of D a lot of 2. The more fruit and vegetables you eat, ___ chance of getting cancer you have. A little B less C the less D the least 3. Staying in a four-star hotel for a night costs ___ renting a house in the suburb（近郊） for a month. A twice as much as B twice more C as much as twice D as much twice as,,情态动词： 1. mustn’t 和needn’t / don’t have to You must keep it a secret. You mustn’t tell anybody else. You can come with me if you like but you needn’t come if you don’t want to. need to do (表示主动) We needed to look after the old man. need doing(表示被动) 同类require, want The old man needed looking after. 2. should have done: 本应该…(本该做但没有做) = ought to have done I should have arrived here this morning, but the traffic is too heavy. I wonder why they’re so late. They should have been here an hour ago.,3. 情态动词表示推测的用法 1) can’t (表推测多用否定式，意为“不可能”)（对现在、将来） It can’t be true. 这不可能是真的。

2) must : 表示肯定推测（对现在） You must be hungry after the long walk. 3) may: 表示可能性很小的推测（对现在、将来） He may be in his office. 4) 表示对发生过的事的推测 must can’t have done may I’ve lost one of my gloves. I must have dropped it somewhere. He can’t have said something like that. “I can’t find my bag anywhere.” “You may have left it in the shop.”,1. ---Bradford graduated from college with honors at a very young age. ---He ___ have been an outstanding student. A must B could C should D might 2. ---They are supposed to arrive at six, but there is still no sign of them ---Something unexpected ___ to them. A might happen B must have happened C would have happened D could happen 3. The street are all wet. It ___ during the night. A must be raining B must have rained C had rained D must rain,非谓语动词： 1. 动名词: doing 1）这些词后面接动名词： busy, keep, feel like, avoid, can’t help, practise, suggest, finish, mind,介词， It’s no use / good…, It’s useless / worth…, spend time (in) doing sth. 2）not doing: Not understanding what he meant, I asked him to explain. 2. 不定式 to do : It takes sb. + time + to do… It cost sb.+ money + to buy … 1）这些词后接不定式：expect, manage, allow, decide, happen, plan, pretend, promise, agree… 2 ） not to do： He promised not to tell lies any more. He decided not to wait any longer. 3）look, watch, see, notice, let, make, have, hear, feel… 后省略to I saw her enter the building. I won’t let him do that kind of thing again.,3. to do 与 doing 的区别： forget / remember / regret to do (要做的事) doing （已经做过的事） stop to do （开始） doing （停止） try to do （努力、尽力） doing （尝试） mean to do （企图，打算） doing （意味着） want to do（想要） doing （需要） The classroom building wants / needs painting. see sb. to do doing,4. 分词 1. doing 与 done 的区别 1）时间 Don’t disturb the sleeping baby. boiling water / boiled water 2) 主动与被动 I found his writing something then. I am reading the novel written by Mark Twain. The problems mentioned will be solved soon. The sea water contains nearly all kinds of natural elements known. While waiting for the bus, h。