英语三级知识点.pptx
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1、重点语法1.现在完成进行时 Over the past decades,sea ice _ in the Arctic(北极)as a result of global warming.A.had decreased B.will decrease C.has been decreasing D.is decresing 答案:C 过去的数十年间,北极的海洋冰川由于全球变暖而一直递减。第1页/共45页2.条件状语从句:“主将来,从一般”If it _ tomorrow,we will stay indoors tohave our training class.A.rains B.rain C
2、.will rain D.rained 答案:A 第2页/共45页3.情态动词+现在完成时 must have done should have done could have done would have doneExercises:1.He _ have completed his work;otherwise,he wouldnt be enjoying himself by the seaside.A.should B.must C.wouldnt D.cant答案:B第3页/共45页2.Tom,youre too lazy!The work _have been finished
3、yesterday.A.would B.should C.must D.could答案:B3.Without your help,I _ have achievedso much.A.cant B.shouldnt C.wouldnt D.musnt 答案:C第4页/共45页4.强调句型:It is(was)被强调的部分that(who)被强调的部分为“物”时用that,为“人”时用whoIt was on Monday night that all this happened.It is me who he blamedExercise:It was in 2005 _ we began t
4、o introducethis new technique into our company.A.which B.then C.when D.that 答案:D 第5页/共45页5.虚拟语气(1)wish+过去时:表示现在或将来的愿望 wish+过去完成时:一个过去没有实现的愿望 I wish I were as tall as you.I didnt go to the party,but I do wish I had been there.Exercise:-Did you see her off the day before yesterday?-No,but I wish I _.A
5、.were B.did C.had D.would 答案:C第6页/共45页(2)would rather+过去时,表示“宁愿,宁可”I would rather all of you came next month for a dinner.Exercise:“Shall I give you a cheque for 10?”A B“Id rather you give me 10 in notes.”C D答案:C give gave第7页/共45页(3)It is(high)time(that)+过去时 (早)该了 Dont you think it is time you gave
6、up smoking?Exercise:It is about time that we go to supper,for we still A B C have a meeting to attend this evening.D 答案:B go went第8页/共45页(4)A.隐含表示说话人主观意见的词,后面用 (should)do suggest,advise,propose,recommend,insist,require,request,demand,desire,order,command Polite manners in China demand that a person
7、stand up when anyone enters a room.B.It is important/necessary/urgent that (should)do It is vital that enough money be collected to get the project started.第9页/共45页Exercises:1.My suggestion yesterday was that a meeting _ to discuss the matter.A.should hold B.must be held C.would be held D.be held答案:
8、D be held=should be held第10页/共45页2.I dont think it advisable that Tom _ to the job since he has no experience.A.be assigned B.is assigned C.will be addigned D.has been assigned答案:A第11页/共45页(5)in case,lest,for fear that引导的状语从句,should+动词原形He took his raincoat for fear that it should rain.他把雨衣带身上以防下雨。第
9、12页/共45页6.倒装结构 (1)否定词在句首:by no means,in no case,scarcely By no means will Jane agree to move to a new place far away from her workplace.(2)Only开头 Only by practice will you be able to improve your spoken English.(3)nor,neither,so 位于句首,句子倒装 So little did I know about the stock exchange that the lectur
10、e was completely beyond me.第13页/共45页7.同位语从句The information which she was injured in A Bthe accident was given by Liz.C D答案:A which that同位语从句常跟在fact,evidence,information,idea,news后面,用that 引导从句 e.g.The fact came up that specific speech sounds are recognized by babies as young as 6 mounths old.第14页/共45
11、页8.关系词的选择(1)非限制性定语从句A container weighs more after air is put in,it A B C Dproves that air has weight.答案:D it which(2)先行词是 the time,the moment,关系词用when(3)先行词是 situation,关系词用where第15页/共45页(4)who or whom?定语从句中,指人的先行词我们用who或者whom做连接词,who用来做从句的主语,whom用来做从句的宾语.This is a nurse who wears a white skirt.This
12、is the person whom I just saw.第16页/共45页1)He is the driver_ I want to look for.2)This is the friend _ I often visit.3)I have a friend _ has much money.4)Its a thief _ was caught by us.5)Kate is a student _ studies well.6)This is the sportsman _ everyone says will win the gold medal.whomwhomwhowhowhow
13、ho第17页/共45页9.反意疑问句 (1)在have to 结构中,反意疑问句要用助动词do/does/did We had to wait a long time to get our passport,didnt we?(2)含有否定词hardly,scarcely,never,seldom 等,反意疑问句要用肯定。You never told me you have seen the film,did you?第18页/共45页(3)祈使句中,反意疑问句用 will you Dont forget to write to me,will you?Lets 与Let us 区别 Lets
14、 hurry up and try to get to the railway station in time,shall we?Please let us have more time,will you?(4)从句中,反意疑问句和从句的谓语一致 I heard that you really had a wonderful time at Johns birthday party,didnt you?第19页/共45页Exercises:1.His wife had the front door painted greenyesterday,_ she?A.did B.didnt C.had
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