牛津譯林8下Unit1Grammar課件（共23張PPT）

1、The Present Perfect Tense現(xiàn)在完成時現(xiàn)在完成時8下Unit 1 Grammar1. How long has Mr. Chen lived in Sunshine Town?2. Can Mr. Chen see his old friends as often as before?He has lived here since he was born.No. Because most of his old friends have moved away.Lead-in Ask and answer have/has + done(動詞過去分詞) past presen

2、t Eddie was born four years ago.我們用一般過去時談?wù)撛谶^去某一時間里我們用一般過去時談?wù)撛谶^去某一時間里所發(fā)生的動作或存在的狀態(tài)所發(fā)生的動作或存在的狀態(tài).Step 1:現(xiàn)在完成時用法現(xiàn)在完成時用法four years ago我們用現(xiàn)在完成時表示從過去持續(xù)到現(xiàn)在的我們用現(xiàn)在完成時表示從過去持續(xù)到現(xiàn)在的動作或狀態(tài)。動作或狀態(tài)。 presentpastpastpresent4 years Eddie has lived with Millie since he was born.Eddie has lived with Millie for four years.我們

3、用現(xiàn)在完成時表示已完成但對現(xiàn)在有一定我們用現(xiàn)在完成時表示已完成但對現(xiàn)在有一定影響的動作影響的動作。presentpastToday, Hobo said to Millie.Eddie has eaten my food. (Eddie ate the food and now Hobo has nothing to eat.）我們用現(xiàn)在完成時談?wù)摰浆F(xiàn)在為止一個動作已經(jīng)我們用現(xiàn)在完成時談?wù)摰浆F(xiàn)在為止一個動作已經(jīng)發(fā)生了多少次發(fā)生了多少次。pastpresentEddie 吃了很多次吃了很多次Hobo 的食物。的食物。Eddie has eaten Hobos food many times. W

4、e _ (live)in Xuyi since we were born. for 14 years. have livedStep 2:現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成 We _(study) here since 2014. for 2 years. have studiedThe Present Perfect Tense (現(xiàn)在完成時態(tài)現(xiàn)在完成時態(tài))基本結(jié)構(gòu)基本結(jié)構(gòu):助動詞助動詞have/has +動詞的動詞的過去分詞過去分詞I have watched the TV show many times. Have you watched the TV show many times? Y

5、es, I have.No, I havent. He/She hasnt watched the TV show many times. 一般疑問句一般疑問句否定句否定句The Present Perfect Tense (現(xiàn)在完成時現(xiàn)在完成時)一般疑問式一般疑問式: 將將 have/has提前到句首提前到句首 回答回答:肯定：肯定：否定：否定：Yes, have/has.No, havent/hasnt.The Present Perfect Tense (現(xiàn)在完成時現(xiàn)在完成時) 否定式否定式: have/has not +動詞的動詞的過去分詞過去分詞 havent /hasntTask

6、one (仿照例句看表格造句）仿照例句看表格造句）Whohave donehavent doneWeclean the roomclean the windowsee a film make dinnerTheyShefly to Beijingvisit the Great WallMy father1. We _ the room but we _ the window.2. _ you _ the room? Yes, _. _ you _ the window? No, _.have cleanedhavent cleanedHave cleanedwe haveHave we hav

7、entcleanedbuy foodwatch Beijing Operamovelivelovelike動詞的過去式和過去分詞的構(gòu)成動詞的過去式和過去分詞的構(gòu)成:visitrepairwatchfinishvisited visited repaired repairedwatched watchedfinished finishedmoved moved lived lived loved loved liked liked verbed以不發(fā)音的以不發(fā)音的e結(jié)尾結(jié)尾dStep 3:過去分詞的構(gòu)成過去分詞的構(gòu)成stopmoptrapplanstopped stopped mopped mo

8、ppedtrapped trappedplanned planned注注:以一個輔音字母結(jié)尾的重讀閉音節(jié)詞以一個輔音字母結(jié)尾的重讀閉音節(jié)詞,雙寫最后一個輔音字母雙寫最后一個輔音字母ed雙寫雙寫edstudy hurrystudied studiedhurried hurried去去yied注注:以輔音字母加以輔音字母加y結(jié)尾的詞結(jié)尾的詞,去去yied.動詞的過去式和過去分詞的構(gòu)成動詞的過去式和過去分詞的構(gòu)成:過去分詞的構(gòu)成過去分詞的構(gòu)成 Typeoriginal p.t p.pcostcostcostcomecamecomerunranrungetgotgotcatchcaughtcaught

9、seesawseenforgetforgotforgottendrinkdrankdrunkgrowgrewgrowneatateeatenABBAAA ABCABA不規(guī)則變化不規(guī)則變化p0donatecatcheatseekeephavecomestopliveam/isbuildputTask one:Play a game（說出所給動詞的過去分詞）（說出所給動詞的過去分詞）1 borrow2 hope3 make4 get5 plan6 cry7 send8 watch9 say10 grow11 hit12 enjoy1 borrow2 hope3 make4 get5 plan6 c

10、ryborrowedhopedmadegotplannedcriedsentwatchedsaidgrownhit enjoyedTask two: Finish Part A on page 141 They _ (finish) their homework already.2 John _never _ (visit) China.3 Mr. Li _ (repair) over ten bicycles since Monday.4 We _ (not see) each other for years.5 My parents _ (not come) back yet.6 Our

11、teacher _ (teach) us a lot about the history of China.have finished has visitedhas repairedhavent seenhas taughthavent come Finish Part B on page 14.Task two:I have watched the TV show already. Have you watched the TVshow yet? Yes, I have.No, I havent.I havent watched the TVshow yet. already一般用于一般用于

12、肯定句肯定句中，中，yet一般用于一般用于否定句否定句和和 疑問句疑問句中中I have _ watched the TV show. 還，仍還，仍Have you watched any interesting TV shows recently? (近來，最近近來，最近) Step 4:常用的時間狀語用法常用的時間狀語用法alreadyTask one: 用用already或或yet填填空空1. He has _ visited many places in China. 2. Lily has had breakfast _. 3. Has she arrived _? 4. Have

13、they come _? 5. The train hasnt arrived _.alreadyalreadyyet yet yet注意注意 already 在句中的兩種位置在句中的兩種位置.1.Have you_ seen the film?No. I have _seen it.2. Has the bus left _? Yes. It has left_. No. It hasnt left_. everneveryetalreadyyet選擇選擇already, yet, never, ever填空。填空。 Task two（1 1）already “already “已經(jīng)已經(jīng)”，

14、放在肯定句句中或句末；，放在肯定句句中或句末；（2 2）yetyet放在疑問句句尾時，表示放在疑問句句尾時，表示“已經(jīng)已經(jīng)”； 放在否定句句尾時，表示放在否定句句尾時，表示“還還( (沒，不沒，不)”)”常用的時間狀語區(qū)別常用的時間狀語區(qū)別（3 3）ever ever “曾經(jīng)曾經(jīng)”，用于疑問句或否定句中；，用于疑問句或否定句中；（4 4）never never “從來沒有從來沒有”，表示否定句中。，表示否定句中。（5 5）justjust “ “剛剛剛剛”，用于陳述句中；，用于陳述句中；（6 6）recently recently “近近來來”，用于句末。，用于句末。Chat time (Exercise C)M : _ you _ (see)any films recently, Sandy?S : No, I _.What about you?M : I _ (see) one last Saturday. S : Whats it about?M : Its about the chang