一般現在時和現在完成時-講解練習答案

1、精選優(yōu)質文檔-傾情為你奉上一般現在時1、 概念 表示現在經常發(fā)生的動作、存在的狀態(tài)或習慣性的動作。2、 動詞詞型變化形式 第三人稱有詞形變化，其他人稱動詞均用原形單數第三人稱動詞變化：a.多數在動詞后加s playplayslikelikes ,b.以s，x，sh，ch結尾的動詞加es miss-misses, fix-fixes, wash-washes, watch-watches c.以輔音字母+o結尾的動詞加es gogoes dodoes d.以輔音字母加y結尾，把y改i再加es flyfliesstudy-studies3. 一般現在時的句型1.肯定句構成：主語+動詞 (注意人稱變

2、化) +其它成分I have a dog. We like the little cat. She sings well.2.否定句構成：行為動詞的否定句：主語+助動詞(do/does) + not +動詞原形+其它成分He dosent have a dog.He isnt young.We dont like the little cat.(借助于助動詞do) She doesnt sing well. (借助于助動詞does)3.一般疑問句：A.行為動詞的一般疑問句：助動詞(do/does)+主語+動詞原形 + 其它成分Do you like it? Yes, I do. / No. I

3、 dont . Does he(she) like it? Yes, he( she )does. / No, he ( she )doesnt.B. 動詞be 的一般疑問句Am / Is /Are +主語 + 其它成分Are you a teacher? Yes, I am. / No, I am not.Are they students of your school.Yes they are / No they arent.4.特殊疑問句：特殊疑問詞 + 一般疑問句How many students are there in your school?What do you usually

4、 do on Sunday?四一般現在時的用法1.經常性或習慣性的動作，常與表示頻度的時間狀語連用。如：every year, sometimes, at 5 oclock, on Sunday.I get up at six oclock every day.He gets up at six oclock every day.She smokes too much. I telephone to my parents once a week.2.表達客觀真理，科學事實。如果出現在賓語從句中，即使主句是過去時，從句謂語也要用一般現在時。Three and four makes seven.T

5、he teacher told us that the earth moves around the sun.Shenyang lies in the north of China.3.在格言或名言警句中。Pride goes before a fall. 驕必敗。Actions speak louder than words.事實用于雄辯。4.表示現在的狀態(tài)、性格、個性。I dont want more, thanks.He is a good student. He is always ready to help others.五.一般現在時其它用法一般現在時表將來1.含有go, come

6、, return, arrive, leave, start, begin等動詞的一般現在時表將來。表示在時間上已確定或安排好的事情。 The school bus leaves at eight .2.在時間或條件句中。When Tom comes, ask him how to fix the tap.Ill help you as soon as I arrive there.3.在動詞hope,take care that,make sure that等后。練習 一.用詞的適當形式填空。1.What time_ his father_(do) the work?2.He _(get)

7、up at five oclock.3._ you _(brush) your teeth every morning.4.What _ ( do ) he usually _( do ) after school?5.Tom _ ( study ) English, Chinese, Maths, Science and Art at school.6. Kitty sometimes _(go) to the park with his sister.7.At eight at night, she _( watch ) TV with her parents.8. _ Mike_( re

8、ad ) English every day?9.How many lessons_ your classmates_( have ) on Monday?10.We often_ ( play ) football in the playground.二選擇() 1. _ you have a book?A. DoB. AreC. IsD. Have()2. They _ on a farm.A. workingB. is workC. workD. is worked() 3. Does Peter like to watch TV?_. A. Yes, he likeB. No, he

9、doesntC. Yes, hed likeD. No, he likes()4. She doesnt _ her homework in the afternoon.A. doingB. to doC. doesD. do()5. How _ Mr. Brown _ to America?A. do,goB. is,goC. does,goD. does,goes()6. Wheres my camera? I_ it.A. am not findingB. am not seeingC. cant findD. cant look at()7. How _ he go to work?H

10、e _ to work by bike.A. does ;goB. do;goesC. do ;goD. does;goes()8. _ you usually late for school?No, _.A. Do ; I amB. Does ;notC. Are ; Im notD. Are ; I arent()9. _ she _ home at six every day?A. Is , leaveB. Does , leaveC. Is , leavesD. Does , left()10. Mr. Yang _ English this term.A. teaches ourB.

11、 teaches usC. teachs usD. teach our答案：一.1.does, do2. gets3. Do, brush4. does, do5. studies6. goes7. watches8. Does, read9. do, have10. play二.1-5 A C B D C6-10 C D C B B 現在進行時定義：現在進行時的定義：現在進行時表示現在或當前一段時間正在進行的動作。可以表示有計劃的未來，也就是用現在進行時表示。構成：現在進行時的構成是:主語+be+v.ing現在分詞形式:主語+be（is/am/are）+現在分詞否定句：主語+be（is/am

12、/are）+not+現在分詞一般疑問句:be（is/am/are）+主語+現在分詞：特殊疑問詞+相應+主語+現在分詞+sth變化規(guī)則：1.直接+ ing(例：sleep+ing sleeping)2.以不發(fā)音的e結尾的去掉e,再+ing(例：bite-e+ing biting)3.，且末尾只有1個，雙寫輔音字母+ing(例：sit+t+ing sitting 另cut - cutting begin -beginning ) 4.特殊變化：die-dying,lie-lying，tie-tying5.不規(guī)則變化時間狀語：可用來表示現在進行時的，常用的有：now, this week, at t

13、his moment 等；或者告訴你一個準確的現在時間，或者用look, listen提醒聽者注意正在發(fā)生的事。例如：Listen! She is singing an English song.聽，她正在唱英語歌。Look at the picture. The children are flying kites in the park.看這幅圖。那些孩子正在公園放風箏。用法：1 最基本的用法是表示此刻正在進行或發(fā)生的動作，通常和時間狀語now、at the moment等連用。 They are visiting the fire station now. 他們現在正參觀消防站。2表示現階

14、段正在進行但此刻不一定在進行的動作，它通常和時間狀語now、these days等連用。 They are working in this factory these days. 這幾天他們在這個工廠工作。3表示最近的確定或安排時。 He is taking me to the theatre this evening. 今晚他要帶我到電影院。4某些表示位置轉移的動詞如go、leave、start、come等它們的現在進行時表示將來。 He is leaving for the Great Wall tomorrow. 明天他要動身去長城。練習用現在進行時完成下列句子:1. What_you_

15、(do)?2. I_(sing)anEnglishsong.3. What_he_(mend)?4.He_(mend)acar.5._you_(fly)akite?Yes,_.6._she_(sit)intheboat?7._you_(ask)questions?8.We_(play)gamesnow選擇填空。1.Someare_intheriverandsomeare_games.A.swiming,playing B.swimming,plaiing C.swimming,playing D.swimming,plaing2. Look!Theboystudentsare_footballwhilethegirlsare_.A. playing,dance B.playing,dancingB. C.play,dancing D.play,dance3.Mr.Smith_shortstories,buthe_aTVplaythesedays.A.iswriting,iswriting B.iswriting,writesC.writes,iswriting D.writes,writes4.I_tothecinema.I_thereeverySunday.A.go.