初中英语一般过去式讲解ppt

1、一般过去式讲解一般过去式讲解引例：引例：(a-1)iaminclasstoday.(a-2)iwasinclassyesterday.(b-1)helivesherenow.(b-2)helivedheretenyearsago.(c-1)myfriendsareathometoday.(c-2)myfriendswereathomelastnight.一般过去式的概念：一般过去式的概念： 一般过去时表示过去某个时间里发生的动作或状态； 过去习惯性、经常性的动作、行为； 过去主语所具备的能力和性格。一般过去式的用法：一般过去式的用法： 一般过去时常与表示过去的时间状语或从一般过去时常与表示过去

2、的时间状语或从句连用句连用a）时间状语）时间状语 ago（two hours ago（一段时间（一段时间+ago），），yesterday（句子开头或结尾），（句子开头或结尾），the day before yesterday,lastweek,last(year,night,month)，具体时间（如具体时间（如jan.fourth),just now,at the age of,one day,long ago,once upon a time（很久（很久以前），以前），and so on,this morning.long long ago. b）动词变化规则）动词变化规则 规则变化规则

3、变化1直接加直接加ed：work worked looklooked playplayed, 2以以e结尾的单词，直接加结尾的单词，直接加d：live lived hopehoped useused, 3 以辅音字母以辅音字母+y结尾的，变结尾的，变y为为i加加ed：study studied carrycarried worryworried, 4 以元音字母以元音字母+y结尾的，直接加结尾的，直接加ed：enjoy enjoyed playplayed 5 以重读闭音节结尾的，双写最后的辅音字母以重读闭音节结尾的，双写最后的辅音字母+ed：stop stopped planplanned

4、不规则变化：不规则变化：make-made-mademay-mightmean-meant-meantmeet-met-metmust-mustpay-paid-paidput-put-putwrite-wrote-writtenwin-won-wonbebe动词的过去式动词的过去式单数：iwasyouwere(一個人)shewashewasitwas复数：wewereyouwere(不只一人)theywere一般过去式的构成形式一般过去式的构成形式practise-1一、用动词的适当形式填空一、用动词的适当形式填空 1. he _ (live) in america two years ag

5、o. 2. the boy _ (listen) to the teacher 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

6、 spring festival.8. the girls _ (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. practise-2二、句型转换二、句型转换: 1. they played football in the playground yesterday. 否定句：否定句：_ 一般疑问句：一般疑问句：_肯、否定回答：肯、否定回答：_ 划线部分提问：划线部分提问：_ 2. liu tao skated with with his cousin last winter holiday. 否定句：否定句：_ 一般疑问句：一般疑问句：_肯、否定回答：肯、否定回答：_ 划线部分提问：划线部分提问：_ 3. my brother showed his stamps