江蘇省徐州市高中英語 Unit3 Grammar and usage課件3 牛津譯林版必修3
《江蘇省徐州市高中英語 Unit3 Grammar and usage課件3 牛津譯林版必修3》由會員分享,可在線閱讀,更多相關(guān)《江蘇省徐州市高中英語 Unit3 Grammar and usage課件3 牛津譯林版必修3(37頁珍藏版)》請在裝配圖網(wǎng)上搜索。
1、Unit 3 Back to the pastGrammarPresent perfect tensePresent perfect tense Go over the news story on Page 2 and find the sentences using the present perfect tense. Please explain why the tense is used in these sentences. The disappearance of Justin (make)Kelly very unhappy. has made We use the present
2、 perfect tense to talk about things that happened in the recent past, but are connected to the present.THE USES OF THE PRESENT PERFECT TENSE I (not see)Justin since last Friday night. have not seenWe also use the present perfect tense to talk about something that started in the past, and is still ha
3、ppening now.COMPLETE THE FOLLOWING SENTENCES WITH THE PROPER TENSE. 1 We (study) English for about five years. 2 They (live) in the south since their daughter was born. 3 I (read) your article three times. Its well written. 4 The student (finish) her homework already. 5 Eric (go) back to his hometow
4、n today. 6 The police (just finish) searching the area.have studiedhave livedhave readhas finishedhas gonehave just finished We use the present perfect tense when the exact time of an action is not clear or important. We use it with time expressions such as: already ever for just lately never recent
5、ly since yet ALREADY,YET;FOR,SINCE We use already for affirmative statements and yet for negative statements. We use for + a period of time and since + a point in time. He has just gone out.(=He went out a few minutes ago.) We use the present perfect tense here to tell others that he isnt here now.
6、I have just heard the news.(Now I know the news.)We use the present perfect tense to talk about actions that were completed only a short time ago. In this case, just is used. Pay attention to the position of just. We can also use the present perfect tense for repeated actions, that is, we use the pr
7、esent perfect tense with the time expressions once/twice/three times T o m h a s r u n g u p t h r e e t i m e s t h i s morning.(Now it is still in the morning.) Tom rang up three times this morning.(Now it is not still in the morning.) Actions occurring in an incomplete period might be indicated b
8、y today or this morning /afternoon/evening/week/month/year/century or all day/night/week, all the time, always etc. Look at the following sentences and point out what tense or tenses are used in them and the reasons why they are used. 1 We have studied English for about five years. We began to study
9、 it five years ago . 2 They moved to the south in 1990 and have lived there since then. 3 Eric left home last year and has just come back. 4 Justin has been away from home for several days. He disappeared last Friday. 5 They bought this house three years ago and they have lived here since then. 6 My
10、 brother went to see my grandpa last week. He has visited him three times this month.THE PRESENT PERFECT TENSE AND THE PAST SIMPLE TENSE 1 you my pen? Yes, I it on your desk just now.(see) 2 you dinner? Yes, I it with Mary.(have) 3 the postman yet this morning? Did the postman come this morning?(com
11、e) 5 I him for a long time. Hello! I (not)you were here in Nanjing. How long have you been here?(know) Have seensawHave hadhadHave comehave knowndidnt know The present perfect tense is normally used for an action which lasts throughout an incomplete period, but with the past simple tense, we use tim
12、e expressions which a fixed point in the past. c.f. We havent seen Justin for a week.(He is still missing.) Justin disappeared last week.(It may mean that this week Justin is here.) He has smoked since he left school.(He still smokes.) He smoked for six months.(It means that he stopped smoking then.
13、 Sometimes, however, the action finishes at the time of speaking. It has been very cold lately but its just beginning to get warmer. On meeting someone, you may say: I havent seen you for ages.(But I see you now.) For a past action whose time is not definite and often has a result in the present.1 T
14、om has had a bad car crash.(Hes probably still in hospital now.) Tom had a bad car crash.(But hes probably out of hospital now.)2 The lift has broken down.(We have to use the stairs.) The lift broke down.( But its probably working again now.) Read the diary entry and then complete it using the corre
15、ct forms of the verbs in brackets. (2) saw (3) has visited (4) loves (5) hasnt visited (6) has swum (7) has never met (8) has dived (9) has found (10) hasnt found (11) Has, been Present perfect continuous tense THE USES OF THE PRESENT PERFECT CONTINUOUS TENSE 1 I for an hour and he still hasnt turne
16、d up.(wait) 2 I m s o s o r r y I m l a t e . y o u long? We sometimes use the Present perfect continuous tense to talk about actions that started in the past and are still continuing, or have just finished but are still connected to the present in some way.have been waitingHave been waiting Go over
17、 Points 1 and 2 on page 9.THE FORM OF THE PRESENT PERFECT CONTINUOUS TENSE We form the present perfect continuous tense with have/has been and the present participle of the verb. Answers: (2) have been talking (3) have been taking (4) have been watching (5) have seen (6) have been writing Present pe
18、rfect or present perfect continuous tense? Li Jia has read a book about Stonehenge. Li Jia has been reading a book about Stonehenge. In the first sentence, it means the action read isnt still continuing, and Li Jia knows what the book is about now, but in the second sentence , it means the action re
19、ad is still continuing. c.f. Ive cleaned the house. Ive been cleaning the house. Read Point 1 on page 10. I Egypt twice this month.(visit) I Egypt for two months. (tour) The present perfect continuous tense cant be used with time expressions such as twice or how many times, because in this tense the
20、 action is continuous, not stopped and started again. We can use the present perfect tense for repeated actions, and the present perfect continuous tense for non-stop actions.have visited have been touringHOW MANY TIMES/HOW LONG have you swum in the lake? have you been swimming in the lake? We usual
21、ly use the present perfect tense to ask questions beginning with how many/much, and the present perfect continuous tense to ask questions beginning with how long.How many timesHow longA STATE VERB OR AN ACTION VERB I have had this camera for five years.(state verb) I have taken photos of UFOs with t
22、his camera.(action verb) I have been taking photos of UFOs with this camera.(action verb) An action means something happening or changing. A state means something staying the same. Some examples of action verbs are do, go, and play. Some examples of state verbs are like, know and exist. A state verb
23、 doesnt mean an action, so it cant be used in a continuous tense. Theyve always had a big garden. How long have you known each other? Hes been in hospital since his accident. Ive never visited Paris. Ive already been to Paris. always, never, yet, already and ever cant be used in a continuous tense.
24、I have not been sleeping well since I returned home. Ive been waiting for an hour. We can use for and since with the the present perfect continuous tense. Answers on page 11 A (1)heard (2) been doing (3) been researching (4) been doing (5) started (6) done (7) read (8) found (9) started (10) been do
25、ing (11) been making Sample answers B 1 He has been waiting at an underground station. 2 They have been traveling in an UFO. It looks like a saucer. 3 They probably have talked to animals or plants on the earth as well as creatures on other plants. 4 They have visited Mars, Venus, Jupiter and some o
26、ther planets. How long have you learnt English? Or How long have you been learning English? It has snowed for a long time. It has been snowing for a long time.BOTH PRESENT PERFECT TENSE AND PRESENT PERFECT CONTINUOUS TENSE An action which began in the past and is still continuing or has only just finished can, with certain verbs, be expressed by either the present perfect or present perfect continuous.Verbs which can be used in this way include expect, hope, learn, lie, live, sleep, sit, study, wait, want, rain, etc. Homework Part C1 and C2 on page 88 in Workbook Prepare Task
- 溫馨提示:
1: 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
2: 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
3.本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
5. 裝配圖網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責(zé)。
6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 2025年防凍教育安全教育班會全文PPT
- 2025年寒假安全教育班會全文PPT
- 初中2025年冬季防溺水安全教育全文PPT
- 初中臘八節(jié)2024年專題PPT
- 主播直播培訓(xùn)提升人氣的方法正確的直播方式如何留住游客
- XX地區(qū)機關(guān)工委2024年度年終黨建工作總結(jié)述職匯報
- 心肺復(fù)蘇培訓(xùn)(心臟驟停的臨床表現(xiàn)與診斷)
- 我的大學(xué)生活介紹
- XX單位2024年終專題組織生活會理論學(xué)習(xí)理論學(xué)習(xí)強黨性凝心聚力建新功
- 2024年XX單位個人述職述廉報告
- 一文解讀2025中央經(jīng)濟工作會議精神(使社會信心有效提振經(jīng)濟明顯回升)
- 2025職業(yè)生涯規(guī)劃報告自我評估職業(yè)探索目標(biāo)設(shè)定發(fā)展策略
- 2024年度XX縣縣委書記個人述職報告及2025年工作計劃
- 寒假計劃中學(xué)生寒假計劃安排表(規(guī)劃好寒假的每個階段)
- 中央經(jīng)濟工作會議九大看點學(xué)思想強黨性重實踐建新功