2023年译林英语八年级上册语法复习与练习含超详细解析超详细解析答案解析.pdf
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1、WORD 格式可编辑 专业技术分享 一、情态动词的用法(一)情态动词的类型 1、只做情态动词的有:must、can(could)、may(might)2、可做情态动词也可做实义动词的有:need 3、可做情态动词也可做助动词的有:will(would)、shall(should)4、可做情态动词的某些特征的有:have to、ought to(二)情态动词的特征 1、有一定的词义,但不能单独做谓语,必须和行为动词或系动词连用,构成谓语:must home(X)must go home()2、无人称和数的变化(have to)例外,用于第三人称单数时用 has to We must stay t
2、here.He must stay there.We have to walk home.He has to walk home.3、后接动词原形:She may lose her way 4、具有助动词的作用,可用来构成否定句、疑问句及用于简明答语 Can you sing an English song?Yes,I can.(三)情态动词的用法 1、can、could 的用法(1)表示能力,译为:能,会。如:Can you play basketball?你会打篮球么?(2)表怀疑、猜测,常用于否定句和疑问句当中,如:He can t be in the room.他不可能在房间里。(3)
3、表请求或允许,多用于口语,意为“可以”,相当于 may。如:You can(may)go now.你现在可以走了。(4)could 是 can 的过去式,可以表示过去的能力。如:I could swim when I was seven years old.(5)以 can 开头的一般疑问句,其肯定回答和否定回答分别用 can 和 can t。2、may(过去式 might)的用法(1)表推测,意为“可能,也许”,用于肯定句中。如:He may come tomorrow.他明天可能会来。(2)表请求、许可,意为“可以“。如:May I borrow your book?我可以借用你的书么?注
4、意:may 表请求,用于主语为第一人称的一般疑问句时,其否定回答用 mustn t,不用may not,意为“不可以,不许,禁止“,如:WORD 格式可编辑 专业技术分享 May I go now?No,you mustn t 不可以/Yes,you may(can).是,可以。(3)表祝愿。如:May you succeed.祝你成功 表示推测,意为一定,一般用于肯定句。在疑问句和否定句一般应用 can,否定句也用 may,但 may not 表示可能不,而 can t 表示不可能。如:Theres someone knocking on the door.有人在敲门。It must be
5、Jim.肯定是吉姆。注意:在否定句中,mustn t 表示禁止,意为不允许。以 must 开头的疑问句,肯定回答用must,而否定回答则常用 needn t 或者 don t have to,意为不必,而不用 mustn t。如:Must I finish the work today?我今天必须完成工作么?No,you needn t/you don t have to.不,你不必(4)对 need 词性的判断:need 后加 to do 说明 need 为实义动词,用助动词提问或否定;need后加 doing 表被动;若 need 后加动词原形,则 need 为情态动词,用 need 提问
6、或否定,肯定回答用 must,否定回答用 needn t。如:You neednt come to school so early.你不必这么早来学校。5、had better 的用法 had better+动词原形,表示最好做某事,否定式用 had better not do sth 6、shall(should)、will(would)的用法(1)shall 用于第一人称,表示征求意见、询问。用于第二、三人称,表示命令如:Shall I open the window?我打开窗户好么?Shall we have lunch here?我们在这儿吃饭好么?You shall listen t
7、o the teacher in class.课堂上你必须听讲。(2)should 常用来表示义务、责任。如:We should obey traffic laws.我们应该遵守交通规则。(3)will 用于第二人称表示询问、请求,也可以表达现在的意愿。如:Will you pass me the book?你能把这本书递给我么?(4)would 用来表示过去的意愿或委婉的询问。如:Would you tell me the way to the station?你能告诉我去东站的路么?7、易混点清单(1)can 和 be able to can 和 be able to 表示能力时用法相同,
8、can 只用于现在时和过去式(could),但 be able to表示经过努力后,能够做到有现在时,过去时和将来时。如:We will be able to come back next week.我们下周能回来。The fire spread through the hotel very quickly but everyone was able to get out.词或系动词连用构成谓语无人称和数的变化例外用于第三人称单数时用后接动词原形具有助动词的作用可用来构成否和疑问句当中如他不可能在房间里表请求或允许多用于口语意为可以相当于如你现在可以走了是的过去式可以表示过他明天可能会来表请求
9、许可意为可以如我可以借用你的书么注意表请求用于主语为第一人称的一般疑问句时其否定回WORD 格式可编辑 专业技术分享 Jim couldnt speak Chinese last year,but now he can.Jim 去年不会说中文但今年会。(2)can 和 may 表示可能性的区别 在肯定句中用 may 表可能。如:You had better ask the policeman.He may know.你最好问问警察,他可能知道。在否定句中,若语气肯定,表示不可能时用 can not,若语气不肯定,表 示可能不时用 may not。Mr Li can t be in the ro
10、om.He has gone to Beijing for a visit.李老师不可能在,他去北京度假了。(3)could,should,would,might 表示委婉语气 could,should,would,might 等过去式有时不表示过去,而是表示更委婉客气的语气,如:Would you tell me the way to the park?你能告诉我去公园的路么?(4)maybe 和 may be may 为情态动词,后面跟动词原形 be,用在句中。Maybe 为副词,“大概,也许”,相当于 perhaps,用于句首。(5)can t 和 mustn t 表否定推测时应用 ca
11、n t,mustn t 表达“禁止,不允许”的含义,不是用来表推测的,在肯定句中 must 表推测,意为“一定”。Must I go to law school and be a lawyer like you,Dad?D No,you_,son.Youre free to make your own decision.A.cant B.mustnt C.shouldnt D.neednt Is Mr Brown driving here?A Im not sure.He_ come by train.A.may B.shall C.need D.must Look at the young
12、lady in red.Is it Mrs King?D No,it_ be her.She is wearing a white dress today.A.can B.may C.must D.cant B 1May I stop my car here?No,you_.A.cant B.mustnt C.neednt D.dont have to A 2.Must we clean the house now?No,you _.A.neednt B.may not C.mustnt D.cant C 3.John_ his father about his failure in the
13、exam.A.dares not tell B.dares not telling C.dare not tell D.dares not to tell C 4.You_ return the book now.You can keep it next week if you like.A.cant B.mustnt C.neednt D.may not 词或系动词连用构成谓语无人称和数的变化例外用于第三人称单数时用后接动词原形具有助动词的作用可用来构成否和疑问句当中如他不可能在房间里表请求或允许多用于口语意为可以相当于如你现在可以走了是的过去式可以表示过他明天可能会来表请求许可意为可以如我
14、可以借用你的书么注意表请求用于主语为第一人称的一般疑问句时其否定回WORD 格式可编辑 专业技术分享 B 5.Johnny,you_ play with the knife,you_hurt yourself.A.wont.cant B.mustnt.may C.shouldnt,must D.cant.shouldnt D 6.The fire spread through the hotel very quickly but everyone_ get out.A.had to B.would C.could D.was able to C 7.Would you go out for a
15、 walk with me?No,I _.My girl friend is coming.A.wouldnt B.shall not C.wont D.shouldnt A 8.Man_ die without water.A.will B.can C.need D.shall D 9.If he started at 9 0clock,he_ be there by now.A.need B.shall C.ought to D.must D 10.I mailed the letter two weeks ago.She _it.A.must receive B.cant receive
16、 C.might receive D.must have received A 11.The professor gave orders that the experiment _ before 5:30p.m.A.be finished B.will finish C.must be finished D.would be finished D 12.There was plenty of time.You_.A.mustnt hurry B.mustnt have hurried C.neednt hurry D.neednt have hurried A 13.Tom was a dil
17、igent(勤奋的)boy.He_ go to school though it was raining hard.A.was able to B.could C.couldnt D.wasnt able to C 14._I go back before lunch?No,I dont think you_.A.Need.must B.Do.need to C.Must.have to D.May.ought to A 15.The teacher_do all the exercises,but a student_.A.neednt.must B.may not.must C.needn
18、t.neednt D.cant.must A 16.Would you open the window please?Yes,I_.A.will B.would C.do D.can C 17.A lion_only attack a human being when it is hungry.A.should B.can C.will D.shall C 18.Must I finish this novel this morning?No,you_.A.mustnt B.might not C.dont have to D.cant B 19.The taxi _ only hold si
19、x passengers.It is full.You _take the next one.A.may.may B.can.may C.may.can D.must.can C 20.I_ a little earlier,but I met a friend of mine on the way.A.may come B.may have come C.could have come D.must have come A 21.I wish to go home now,_I?词或系动词连用构成谓语无人称和数的变化例外用于第三人称单数时用后接动词原形具有助动词的作用可用来构成否和疑问句当中
20、如他不可能在房间里表请求或允许多用于口语意为可以相当于如你现在可以走了是的过去式可以表示过他明天可能会来表请求许可意为可以如我可以借用你的书么注意表请求用于主语为第一人称的一般疑问句时其否定回WORD 格式可编辑 专业技术分享 A.may B.cant C.must D.do D 22.He must have finished his homework,_he?A.mustnt B.didnt C.neednt D.hasnt B 23.This pen looks like mine,yet it isnt.Whose_ it be?A.must B.can C.may D.might B
21、 24.He didnt do well in the exam.He_ hard at his lessons.A.must have worked B.ought to have worked C.would have worked D.has worked D 25.I wonder how he_ that to the teacher.A.dare to say B.dare saying C.not dare say D.dared say C 26.Mr Baker,a number of students want to see you._ they wait here or
22、outside?A.Should B.Will C.Shall D.Are B 27.You_ the trees.Look,it is raining now.A.mustnt have watered B.neednt have watered C.could have watered D.might have watered B 28.I_ give you an answer tomorrow.I promise!A.must B.will C.may D.shall B 29.As a soldier,you_ do as the head tells you.A.will B.sh
23、all C.may D.ought A 30.The streets are all dry.It_ during the night.A.cant have rained B.must have rained C.couldnt rain D.shouldnt have rained 二、现在完成时(一)定义:某个动作发生在过去,但对现在仍然有影响和结果,这个动作或状态可能已经结束,但影响可能还要持续下去。(二)其构成形式是:have/has+动词过去分词,否定式在 have/has 后加 not,疑问句应将have/has 放在句子主语之前。(三)现在完成时的用法(1)表示过去发生的动作对
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