高一英語必修一UnitGrammarPPT課件

1、動詞的時態(tài)：1.一般現(xiàn)在時: 經(jīng)常發(fā)生或習(xí)慣性，現(xiàn)在的特征或狀態(tài)及客觀真理。 am/is/are -./do, does2.一般過去時：表某一過去時間發(fā)生的動作或狀態(tài)或過去某一段時間經(jīng)常發(fā)生的動作。 was/are -./did3.現(xiàn)在進(jìn)行時：表現(xiàn)現(xiàn)在或現(xiàn)階段進(jìn)行的動作或狀態(tài)。am/is/are doing4.過去進(jìn)行時：表過去或過去某一階段正在進(jìn)行的動作或狀態(tài)。 was/were doing5.現(xiàn)在完成時：表過去動作到現(xiàn)在已完成或?qū)ΜF(xiàn)在造成影響。have/has done6.過去完成時：表過去的過去。had done7.一般將來時：表以現(xiàn)在為起點(diǎn)將來的動作，狀態(tài)或計劃。 will/be go

2、ing to do / be to do/ be about to do( be: am/is/are)8.過去將來時：表以過去某一時間為起點(diǎn)將要發(fā)生的動作或狀態(tài)。would/ be going to do/ be to do/ be about to do( be: were/was)第1頁/共19頁Translate the sentences into English:1. 他每天騎車上學(xué)。 He goes to school by bike every day.2.他昨晚買了一雙鞋。 He bought a pair of shoes last night.3. 他現(xiàn)在在踢球。 He

3、is playing football now.4. 昨晚8點(diǎn)鐘我在練習(xí)小提琴。 I was playing the violin at 8 oclock last night.5.我已經(jīng)完成我的作業(yè)。 I have finished my homework.6. 我到車站的時候車已經(jīng)開了。 The train had gone when I got to the station.7. 下個月我們將要去北京。 I will go to Beijing next month.8. 他說過他會回來的。 He said he would come back.第2頁/共19頁Grammar in Un

4、it 3第3頁/共19頁1. shall/will do a. 表示將來。有時暗含偶然性、臨時性起意要做某事。e.g.-Someone is knocking at the door. -Ill answer it.b. 在疑問句中可以用來征詢聽話人的意圖或征求允諾。e.g. Will you come here this afternoon? 今天下午你能到這兒來嗎？一、表將來時的幾種結(jié)構(gòu)的用法第4頁/共19頁2. be going to do a.表示打算、計劃或決定要做某事。如： Were going to spend our holidays in Wales this year 今年

5、我們打算到威爾士度假。 b. 表示預(yù)見，即有跡象發(fā)生某事。 Look at these dark clouds-it is going to rain. 看這些烏云要下雨了。第5頁/共19頁4. be about to do 表示“立即的將來”，一般 不與時間狀語連用。The train is about to start. 火車就要開了。3. be to doa. 表示按計劃或安排即將發(fā)生的動作。 e.g. He is to be present at the meeting. 他要出席會議b. 表示禁止、責(zé)備、 可能性等。 e.g. Smoking is not to be allowed

6、 here. You are to be punished for the mistake.第6頁/共19頁二、用現(xiàn)在進(jìn)行時表示將來 be V-ing形式：表示按計劃或安排要發(fā)生的事, 含義是 “預(yù)定要” 這一結(jié)構(gòu)常用趨向動詞 go, arrive, come, leave, start, stay , return 和 play, do, have, work, wear, spend, see, meet等 。 e.g. Im leaving for Shanghai next week. 我計劃下周去上海第7頁/共19頁1) come, go, stay, arrive, leave 等

7、詞的現(xiàn)在進(jìn)行時經(jīng)常用于等詞的現(xiàn)在進(jìn)行時經(jīng)常用于表示將來確切的計表示將來確切的計劃。劃。 2) 表示交通方式、行程安排的動詞，例如表示交通方式、行程安排的動詞，例如 fly, walk, ride, drive, take (a bus, a taxi)等的現(xiàn)在進(jìn)行時也經(jīng)常用于表示將來。等的現(xiàn)在進(jìn)行時也經(jīng)常用于表示將來。第8頁/共19頁e.g.- When are you going off for your holiday? 你什么時候動身去度假?- My plane is taking off at 9:20, so I must be at the airport by 8:30. 我乘坐

8、的飛機(jī)將于9:20分起飛, 所以我必須在8:30之前趕到機(jī)場。第9頁/共19頁 Betty _ (leave) for Guangzhou by plane at 3:00 this afternoon. Her brother Bob _ (see) her off. Its half past one now. They _ (wait) for a taxi outside the school gate.is leavingis seeingare waiting練一練第10頁/共19頁1. -Im going to the States?-How long _ you_ in the

9、 States?A. are; stayed B. are; staying C. have; stayed D. did; stay 第11頁/共19頁2. - Youve left the light on. -Oh, I have. _ and turn it off.A. I go B. Ive goneC. Ill go D. Im going 第12頁/共19頁3. - Whats that terrible noise? -The neighbors_ for a party.A. have prepared B. are preparingC. prepareD. will p

10、repare 第13頁/共19頁4. - Can I join the club, Dad?- You can when you _ a bit old.A. get B. will get C. are getting D. will have got5. I feel it is your husband who _ for the spoiled child.A. is to blame B. is going to blame C. is to be blamed D. should blame第14頁/共19頁6. -Have you moved into the new house

11、? -Not yet. The rooms_. A. are being painting B. are painting C. are painted D. are being painted第15頁/共19頁7. I dont really work here; I _until the new secretary arrives. A. just help out B. have just helped out C. am just helping out D. will just help out第16頁/共19頁(1) 按規(guī)定預(yù)計要發(fā)生的未來動作, 表示計劃好、安排好在某時要發(fā)生某事，往往用于火車時刻、飛機(jī)時刻、電影開幕、上下課等。 僅限于動詞come, go, leave, move, start, return, arrive, begin, stay等動詞. e.g. The plane takes off at 10:10. That is, its leaving in ten minutes. 補(bǔ)充：用一般現(xiàn)在時表示將來用一般現(xiàn)在時表示將來第17頁/