朗文BUnit 過去時PPT課件

1、SUNMONTUEWEDTHUFRISAT123456789101112131415161718192021222324252627282930312011年1月last month第1頁/共55頁SUNMONTUEWEDTHUFRISAT123456789101112131415161718192021222324252627282930312010年12月last year第2頁/共55頁last 上一個ago 以前yesterday 昨天第3頁/共55頁2011年2月24日nowbeforefutureWe are going to talk about “before”. So we

2、use the “past tense”.（過去式）the past第4頁/共55頁todayyesterdayIt is sunny today.It was rainy yesterday.第5頁/共55頁todayyesterdayHe is happy today.He was sad yesterday.第6頁/共55頁todayyesterdayI am in Guangzhou today.I was in Beijing yesterday.第7頁/共55頁todayyesterdayHer hair is short today.Her hair was long yeste

3、rday.第8頁/共55頁todayyesterdayThey are at school today.They were at home yesterday.第9頁/共55頁She is two years old now.She _ one year old last year.There are two dogs in my house today.There _ three dogs in my houseyesterday.Today is Thursday.(Yesterday _ Wednesday.) 第10頁/共55頁I am not hungry now.I _ hungr

4、y two hours ago.We are in Grade Five now.We _ in Grade Four last year.Where is Tom?Where _ Tom yesterday?第11頁/共55頁be動詞的過去式：動詞的過去式：1. am-was /wOz/2. is-was /wOz/,3. are-were /wE:/,第12頁/共55頁1.否定句在否定句在was,were 后面直接加后面直接加not， was not=wasnt were not=werent2. 疑問句把疑問句把was和和were 移到主語的前面。移到主語的前面。第13頁/共55頁請把下

5、面句子變成否定句、疑問句請把下面句子變成否定句、疑問句并回答。并回答。1.He was tired yesterday.2. They were in China last year.3. I was short before.4. It was Sunday yesterday.第14頁/共55頁todayyesterdayI play football today.I played table tennis yesterday.第15頁/共55頁yesterdayShe washed her face yesterday.第16頁/共55頁yesterdayShe picked some

6、flowers yesterday.第17頁/共55頁yesterdayThe baby watched TV yesterday.第18頁/共55頁yesterdayThey skipped yesterday.第19頁/共55頁yesterdayThe boy helped the girl yesterday.第20頁/共55頁yesterdayThey danced yesterday.第21頁/共55頁行為動詞過去式的變化規(guī)則：行為動詞過去式的變化規(guī)則：1. 直接加直接加ed,2. (輔元輔輔元輔)雙寫最后一個字母加雙寫最后一個字母加ed,3. 變變y為為i加加ed (y前面是元音不

7、用變前面是元音不用變),4. 以以e結(jié)尾的詞直接加結(jié)尾的詞直接加d。第22頁/共55頁行為動詞過去式行為動詞過去式否定句否定句：在動詞前面加上在動詞前面加上didnt,動詞變原形。動詞變原形。 He watched TV yesterday. He didnt watch TV yesterday.第23頁/共55頁行為動詞過去式行為動詞過去式一般一般疑問句疑問句：在句子開頭加上在句子開頭加上Did,動詞變原形。動詞變原形。 He watched TV yesterday. Did he watch TV yesterday? Yes, he did. / No, he didnt.第24頁/

8、共55頁行為動詞過去式行為動詞過去式特殊特殊疑問句疑問句：提問有提問有did,回答動詞用過去式回答動詞用過去式.。What did you do yesterday?I played basketball.第25頁/共55頁請把下面句子變成否定句、疑問句請把下面句子變成否定句、疑問句并回答。并回答。1.I was thirsty.2.Lily washed her hands.3.My parents were at home.4. I watched TV last night.第26頁/共55頁I played basketball.What did you do yesterday?Pa

9、st tenseWe make questions with did.Dont change the verb after did.第27頁/共55頁Now you try. I _the dishes.What did you do yesterday?wash the disheswashed第28頁/共55頁I _ my grandparents.What _ you do yesterday?visitmygrandparentsdidvisited第29頁/共55頁He _ pictures.didpaintedWhat _ Charlie do yesterday?Charlie,

10、paint pictures第30頁/共55頁What did the boy do yesterday?A. skipped B. picked flowersC. danced第31頁/共55頁What did the lady do last Sunday?A. cooked B. cleaned the houseC. watched TV第32頁/共55頁What did the man do two days ago?A. cried B. watched TVC. listened to music第33頁/共55頁What did the man do last week ?A

11、. skipped B. skatedC. danced第34頁/共55頁SundayMondayTuesdayWednesdayThursdayFridaySaturdayLast Week第35頁/共55頁1.Was the boy happy yesterday?2.What did Jack do last week?3.Were you hungry yesterday?. 4.What did the tigers do last Sunday?第36頁/共55頁助動詞的小竅門：助動詞的小竅門：1.提問是提問是do, 回答用動詞原形?；卮鹩脛釉~原形。2.提問是提問是does,回答動

12、詞加回答動詞加s.3.提問是提問是did，回答動詞用過去式，回答動詞用過去式.(pre) chapter 3第37頁/共55頁1.What does he do every day?2.What do they do after school? 3.What did she do yesterday?He sings.They play basketball.She cleaned the house.第38頁/共55頁1.What did she do yesterday?2.What does he do every day? 3.What do they do after school?

13、She cooked.He goes swimming.They often run.第39頁/共55頁camping第40頁/共55頁play hide-and-seek第41頁/共55頁boil water第42頁/共55頁pick up rubbish第43頁/共55頁cook a meal第44頁/共55頁ed的讀音規(guī)則：的讀音規(guī)則：1.以清輔音結(jié)尾的詞讀以清輔音結(jié)尾的詞讀/t/,2.以濁輔音結(jié)尾的詞讀以濁輔音結(jié)尾的詞讀/d/,3.以元音結(jié)尾的詞讀以元音結(jié)尾的詞讀/d/,4.以以t或或d結(jié)尾的詞讀結(jié)尾的詞讀/id/。第45頁/共55頁cook-cookedlisten- listene

14、dwatch- watchedwash- washeduse- usedpick- pickedskip- skippedwater-wateredlike- likeddance- dancedstudy-studiedenjoy-enjoyedcry-criedstay- stayedplant- plantedstart- startedwant-wantedneed- neededend- ended第46頁/共55頁主語（人物、動物、物品）+動詞(play, open, dance, help, cook, wash, study, listen, work, skipfish, c

15、lean, jump, water, paint)+時間(yesterday, last, ago)第47頁/共55頁YesterdayTomBenLilyJanetPeterSally第48頁/共55頁firewood/aiE/ /u/ There is not enough firewood for tonight. /I/ /V/足夠 第49頁/共55頁leaf/i:/make a fire with leaves 生火 leaves/i:/ 第50頁/共55頁1.They dont burn燃燒. /E:/2.find more更多的 firewood /O:/3.help to prepa