中考英语专题词汇情态动词课件.ppt

can 与 be able to P36 can 与 be able to may 与 can Youd better ask the policeman,heknow. 肯定句中用may表示可能。 在否定句中： 不可能--- 可能不--- must have to P 35 情态动词特征 P36 must have to 区别 need 1 need to do 2 need doing 3 need + v P36 need 词性判断 maybe 与may be / do maybe 为副词，=perhaps 也许 may be 做谓语， 也许是 P 37 1-5 P37 11-15 * * 第二部 专题Ⅱ词汇 ㈦ 情态动词 考点揭密 典型例题解析 课时训练 考点揭密 1.掌握情态动词的定义：表示可能、怀疑、允诺、愿望、义务、必要、猜测等的动词是情态动词。  2.掌握情态动词的特征：情态动词与其他动词是有区别的，它本身有一定的词义，表示说话人对某一动作的看法和态度，但不能单独作谓语，必须和另一个动词原形一起构成谓语；情态动词没有人称和数的变化，含有情态动词的句子改为问句和否定句时，无需添加助动词，可直接构成问句和否定句。 考点揭密 3.掌握常用情态动词 can,could, may,might, must,need, shall, should, will, would等的用法。 考点揭密 考点揭密 may cant may not 考点揭密 考点揭密 (5)shall,will用来征求对方意见，shall用于第一人称，will用于第二人称，用来表示意愿； (6)would,should为will，shall 的过去式，would用于现在时，表示委婉提出请求、建议或看法，如Would you please not do it again?should还有“应该”的意思，但语气比must 弱。  【例1】—Wheres Mr Li?I have something unusual to tell him.—You ____ find him.He______Japan.［2003 黑龙江］A.may not,has gone toB.may not, has been to C.cant，has gone toD.cant, has been to 典型例题解析 【例3】—Where is Jack，please?—He______be in the classroom.［2003 杭州］A.canB.needC.wouldD.must C 【例2】 —Could I look at your pictures?—Yes,of course you _________.［2003 武汉］A.couldB.canC.willD.might B D 【例4】 The boy said he had to speak English in class，but hespeak it after class.［2003，广州］A.couldB.didnt have toC.mightD.shouldnt 典型例题解析 B 【例5】These books_________out of the readingroom.You have to read,them here.［2003，辽宁］A.cant takeB.must be takenC.can takeD.mustnt be taken D 1._________I open the window?Its hot here.A.MustB.Shall C.WillD.Would 2.Go and ask Mr Liu.He _________tell you.A.mayB.can C.wouldD.could 3._________you please tell me the time please?A.ShallB.Will C.MayD.Might 4.—_________I try out all the ideas? —No,you _________.A.Must,mustnt B.Need,needC.Must,dont have to D.Must,dont 5._________I speak to Mr Green，please?A.WillB.Could C.MustD.Would  课时训练 B A B C B *