初中 英語一般過去式講解課件

1、一般過去式講解,1,PPT學(xué)習(xí)交流,引例：,(a-1)I am in class today. (a-2)I was in class yesterday. (b-1)He lives here now. (b-2) He lived here ten years ago. (c-1) My friends are at home today. (c-2) My friends were at home last night.,2,PPT學(xué)習(xí)交流,一般過去式的概念：,一般過去時表示過去某個時間里發(fā)生的動作或狀態(tài)； 過去習(xí)慣性、經(jīng)常性的動作、行為； 過去主語所具備的能力和性格。,3,PPT學(xué)習(xí)交

2、流,一般過去式的用法：,一般過去時常與表示過去的時間狀語或從句連用 a）時間狀語 Ago（two hours ago（一段時間+ago），yesterday（句子開頭或結(jié)尾），the day before yesterday,lastweek,last(year,night,month)，具體時間（如Jan.fourth),just now,at the age of,one day,long ago,once upon a time（很久以前），and so on,this morning.long long ago.,4,PPT學(xué)習(xí)交流,b）動詞變化規(guī)則 規(guī)則變化 1直接加ed：work

3、worked looklooked playplayed, 2以e結(jié)尾的單詞，直接加d：live lived hopehoped useused, 3 以輔音字母+y結(jié)尾的，變y為i加ed：study studied carrycarried worryworried, 4 以元音字母+y結(jié)尾的，直接加ed：enjoy enjoyed playplayed 5 以重讀閉音節(jié)結(jié)尾的，雙寫最后的輔音字母+ed：stop stopped planplanned,5,PPT學(xué)習(xí)交流,不規(guī)則變化：,make-made-made may-might mean-meant-meant meet-met-me

4、t must-must pay-paid-paid put-put-put write-wrote-written win-won-won,6,PPT學(xué)習(xí)交流,BE動詞的過去式,單數(shù)： I was you were (一個人) she was he was it was 復(fù)數(shù)： we were you were (不只一人) they were,7,PPT學(xué)習(xí)交流,一般過去式的構(gòu)成形式,8,PPT學(xué)習(xí)交流,practise-1,一、用動詞的適當(dāng)形式填空 1. He _ (live) in America two years ago. 2. The boy _ (listen) to the t

5、eacher carefully last week. 3. We _ (watch) a Japanese cartoon last Friday. 4. Nancy _ (pick) up oranges on the farm last week. 5. I _ (pull) up carrot with Mike yesterday. 6. They _ (play) chess in the classroom last PE lesson. 7. My mother _ (cook) a nice food last Spring Festival. 8. The girls _

6、(dance) at the party last Wednesday . 9.The students _ (study) very hard last month. 10. My parents _ (plan ) to have a good weekend last Thursday.,9,PPT學(xué)習(xí)交流,practise-2,二、句型轉(zhuǎn)換: 1. They played football in the playground yesterday. 否定句：_ 一般疑問句：_肯、否定回答：_ 劃線部分提問：_ 2. Liu Tao skated with with his cousin last Winter Holiday. 否定句：_ 一般疑問句：_肯、否定回答：_ 劃線部分提問：_ 3. My brother showed his stamps to his