初一情態(tài)動詞用法歸納2

1、最新資料推薦初一情態(tài)動詞用法歸納21 1情態(tài)動詞（一）情態(tài)動詞的定義 情態(tài)動詞表示說話人對某一動作或狀態(tài)的態(tài)度。（二）情態(tài)動詞的特點1. 情態(tài)動詞有一定的詞義。2. 情態(tài)動詞不能單獨做謂語， 它必須和其他動詞的原形一起構(gòu)成謂語。3. 情態(tài)動詞沒有人稱，數(shù)的變化。（ 三）情態(tài)動詞的結(jié)構(gòu)和意義1.情態(tài)動詞的基本句型肯 定句：主語+情態(tài)動詞+動詞原形+. 1111否定句：主語+情態(tài)動詞+not+動詞原形 疑問句：情態(tài)動詞+ 主語+動詞原形+2.情態(tài)動詞的意義must 必須;can/could 能， 會;may/might 可以;should應該；would 愿，要；have to不得不；need 需

2、要（四）情態(tài)動詞的基本用法 一、can, could 1 ） 表示能力（體力、知識、技能）。Can you lift this heavy box?（體力） Mary can speak three languages. （知識） Can you skate? （技能） 止匕時可 用be able to 代替。Can只有一般現(xiàn)在時和一般過去式；而be able to則有更多 的時態(tài)Ill not be able to come this afternoon.當表示經(jīng)過努力才得以做成功某事時應用 be able to ,不能用Can。如：He was able to go to the part

3、y yesterday evening in spite of the heavy rain. 2 2 2)表示請求和允許。CanI go now? Yes, you can. / No, you cant.此時可與may互換。在疑問句中還可用could, might 代替， 不是過去式，只是語氣更委婉，不能用于肯定句和答語中。Could I come to see you tomorrow? Yes, you can. ( No, Im afraid not. ) 3)表示客觀可能性(客觀原因形成的能力)。Theyve changed the timetable, so we can go

4、by bus instead. This hall can hold 500 people at least. 4)表示推測(驚訝、懷疑、不相信的態(tài)度)，用于疑問句、否定句和 感嘆句中。Can this be true? This cant be done by him. How can this be true? 二、 may, might 1 ) 表示請求和允許。might 比may語氣更委婉，而不是過去式。否定回答時可用cant 或mustnt ,表示不可以，禁止。-Might/ May I smoke in this room? - No, you mustnt. May/Might

5、I take this book out of the room?- Yes, you can. （No, you cant / mustnt. ） 3 3用 MayI?征徇對方許可時比較正式和客氣， 而用Can I?在口語 中更常見。2）用于祈使句，表示祝愿。May you succeed! 3）表示推測、可能性（不用于疑問句）。might 不是過去式，它所表示的可能性比may小。1 . He may /might be very busy now. 2 . Your mothermay /might not know the truth.三、 must, have to 1 ）表示必須、必

6、要。You must come in time.在回答引出的問句時， 如果是否定的，不能用mustnt （禁止，不準），而用neednt, dont have to （不必） .-Must we hand in our exercise books today?Yes, you must. No, you dont have to / you neednt.2） must是說話人的主觀看法，而have to 則強調(diào)客觀需要。Must只有一般現(xiàn)在時，have to 有更多的時態(tài)形式。1 . he play isnt interesting, I really must go now.2. I h

7、ad to work when I was your age. 3）表示推測、可能性（只用于肯定的陳述句）1. Youre Toms good friend, soyou must know what he likes best. 2. Your mother must bewaiting for you now. 4 4 一、 單項選擇題 1.The microwaveis empty now.You start it . A.must B.may notC.cant D.should 2.I borrow your ricecooker?Sorry,you. A.Must,cantB.Ca

8、n,can C.Can,cant D.May,can 3.Your brother is changing the light bulb(電燈泡).You switch theelectricity on. A.must notB.mustC.canD.may 4.You make sure all lights are off before you go out. A.can B.may C.must D.must not 單項選擇 ()1. I get there on time today? No,you neednt. A. Can B. M ay C. M ust D.Should

9、() 2. May I talk about it with anyone I like? No,you . A. s houldntB. m ustnt C. ne edntD. dont ha ve t o () *3. A teacherdo every exercise,but a pupil must . A. m aynt B. ne ednt C. c antD. mustnt () 4. Must wefinish copying all these articlesthis morning? No, you . A. m ustnt B. ha ventC. not h av

10、e t o D. dont ha ve t o ()5. I havea word with the teacher, sir? A. Will B. Would C.M ay D. Should()6. I smoke here? No,you mustnt. A. Can B. M ay C. M ust D.Need ()7. I visit Lucy on Sunday, Mum? Yes,you . A. M ust; c an B. May; may C. Need;3 / 6 最新資料推薦n eed D. M ay ; ne ed（） *8. He finish hishomew

11、ork on time. A. ne ed not t o B. do esnt ne edC. ne eds t o D. ne eds （） *9. Neither he nor hischildren able to play table tennis. A. c an be B.c ould C. i s D. a re （） *10. We laughat others. A. shouldnt B. m ay not C. n eedntD. c ant 5 5 1. This is a white key.（對畫線部分進行提問）2.Bens bag is yellow and r

12、ed .（對畫線部分進行提問）3. Hername isGina.（對畫線部分進行提問）4. My phone number is 673-8220.（對畫線部分進行提問）5. Theboys nameis Jack.（對畫線部分進行提問）6. The picture is on the wall.（對畫線部分進行提問 ）7. Your baseball is under the chair.（對畫線部分進行提問）8. Hisbook is on the desk.（對畫線部分進行提問）9. Some balls are in the dresser.（對畫線部分進行提問）10. My computer is on my desk.（對畫線部分進行提問）11. He is Johnny. （改為一般疑問句）12. These are his parents.（改為一般疑問句）13. This is my sister. （改為一般疑問句）14. The baseball is under the bed.（改為一般疑問句）15. My key is on the