現(xiàn)代新理念英語初中捷進(jìn)語法4第一課課件

1、現(xiàn)在完成時態(tài) 捷進(jìn)初中4 Lesson 1時態(tài)不同時間發(fā)生的動作，動詞要用不同形式was/were+v-ing名稱時間動詞形式一般現(xiàn)在時平時，經(jīng)?，F(xiàn)在進(jìn)行時正在進(jìn)行一般將來時即將，計劃一般過去時過去（與現(xiàn)在無關(guān)）過去進(jìn)行時過去某一時間，在進(jìn)行原形 2.v+s/es（三單現(xiàn)） 已學(xué)習(xí)過的時態(tài)am/is/are+v-ing1.will/shall+v原形2.am/is/are going to +v原形（規(guī)則動詞）2.不規(guī)則動詞1.was/were +現(xiàn)在分詞1.She works in a factory.2.I was doing my homework at this time yester

2、day.3.We are going to have a picnic this Sunday.4.They held a sports meeting last week.5.Are you helping your mother .一般現(xiàn)在時過去進(jìn)行時一般將來時一般過去時現(xiàn)在進(jìn)行時判斷下列句子的時態(tài) 情景創(chuàng)設(shè)。情景1class， Look at me carefully!(我把門打開)- I opened the door just now.(看門現(xiàn)在的狀態(tài))-The door is open now.把這兩個句子用一句話表達(dá)： I haveopened the door.情景2 讓一個學(xué)

3、生走出教室 Wang Ning left the classroom.現(xiàn)在的狀態(tài) Wang Ning isnt in the classroom. Wang Ning has left the classroom.情景3我把黑板擦干凈。 I cleaned the blackboard a moment ago.The blackboard is clean now. I have cleaned the blackboard. （通過三個情景，讓學(xué)生觀察三個句子間的聯(lián)系，自己總結(jié)完成時用法一的概念，然后總結(jié)出完成時的構(gòu)成。根據(jù)情景，學(xué)生更能加深對過去發(fā)生的動作與現(xiàn)在有聯(lián)系，用現(xiàn)在完成時。）現(xiàn)

4、在完成時含義：過去發(fā)生的動作對現(xiàn)在造成的影響或結(jié)果。動詞構(gòu)成：have/has+v過去分詞have breakfastI have just had my breakfast.(現(xiàn)在我不餓)Im not hungry nowmoved herein 2000I still live herehave /has+v 過去分詞助動詞否定haventhasnt疑問Have you?Has he?現(xiàn)在完成時的結(jié)構(gòu)形式：動詞的過去分詞形式1.規(guī)則動詞:2.不規(guī)則動詞:talk-talked-talkedmove-moved-movedcarry-carried-carriedstopstopped-st

5、oppedAAA型：putput-putABB型：meetmet-metABA型：runran-run ABC型：singsang-sung 動詞過去分詞1.動詞的過去分詞與其過去式相同，即在動詞原形后加-ed或-d構(gòu)成，如動詞以y結(jié)尾，變y為i，再加-ed。例如：動詞原形 過去式 過去分詞work worked workedarrive arrived arrivedstudy studied studiedstop stopped stopped2.不規(guī)則動詞的過去分詞有其特殊形式，例如：動詞原形 過去式 過去分詞put put put cut cut cutshut shut shut

6、2.不規(guī)則動詞的過去分詞有其特殊形式，例如：動詞原形 過去式 過去分詞meet met met tell told toldsay said said find found found2.不規(guī)則動詞的過去分詞有其特殊形式，例如：動詞原形 過去式 過去分詞run ran run come came comebecome became become 2.不規(guī)則動詞的過去分詞有其特殊形式，例如：動詞原形 過去式 過去分詞Sing sang sungsee saw seengive gave given do did doneTask: Do Ex. 1. on Page 1現(xiàn)在完成時的時間標(biāo)志（1）

7、already和yet already一般用于肯定句中，yet一般用于否定句和疑問句中。 (2) 表示到說話為止的過去時間狀語，如just，now等?？戏駟柎餱inish,homeworkI have finished my homework.He has finished his homeworkhaventHas heYes,he hasNo ,he hasnt不能是具體過去時間Pay attention 注意1. 現(xiàn)在完成時句中常見的時間狀語 A.表示從過去一直持續(xù)到現(xiàn)在,不能是具體過去時間 ( 1).for+表示一段時間的短語 ( 2).since+表示過去時間點的詞語 ( 3).si

8、nce+表示過去時間的時間狀語從句 I have been a teacher _ a year. He has been at this school _ 1992. We have learned 1,000 English words _ we came to this school.forsincesincee.g. B. just, already, yet, now 有此類副詞時,常強調(diào)動作完成,不強調(diào)動作的持續(xù). e.g. I have _ finished my homework. I have finished my homework _. I havent finished

9、 my homework _.justalreadyyet注意：當(dāng)在肯定陳述句中含有already或just 時，在轉(zhuǎn)換成否定句或疑問句時，要把句中的already 或just 去掉，在句末加上yet. I havent seen the film yet. I have done my homework already.I havent done my homework yet. Mother has just cleaned the house.Mother hasnt cleaned the house yet. I have seen the film already. Task: D

10、o Ex. 2. on Page 1現(xiàn)在完成時與一般過去時的區(qū)別：一般過去時表示發(fā)生在過去的動作，和現(xiàn)在無關(guān)； I opened the door just now. (過去開過門， 不知現(xiàn)在門是否開著）現(xiàn)在完成時則強調(diào)某一發(fā)生在過去的動作與現(xiàn)在的關(guān)系，如對現(xiàn)在產(chǎn)生的結(jié)果或影響等。I have opened the door.（過去開過門，現(xiàn)在門仍開著）Liu Xiang has won a gold medalin the Olympic Games.Liu Xiang went to France last week.A: Look at the picture, who is he ?

11、B: Hes Wang Zhizhi .A: He _ already _( become) a basketball star in China .A: But he _(play) basketball some years ago .hasbecomeplayed一般過去時與現(xiàn)在完成時有一些明顯的時間狀語。 遇到y(tǒng)esterday, Last year, in May, in+過去某一年，two days ago, the other day, just now等就用一般過去時 當(dāng)有 already, yet, just等常用現(xiàn)在完成時 現(xiàn)在完成時和一般過去時He _(not work)

12、 in our school yet.He _(come) to our school last year/in 2002.They _(cook) the supper already.They _ (cook) the supper half an hour ago.hasnt workedcamehave cookedcooked1. He_ (go) to America the year before last.2. -What _ you _(do)? -I _ (be) a teacher.3. Do you like _ (drink) milk?4. He _ _(not have) his supper yet.5. We _ (see) Uncle Li tomorrow.6. Joans mother often _ at four, now she _(cook)7. He _(read) a book when the accident _(happen).用所給動詞的適當(dāng)形式填空:wentdo doamdrinkinghasn