英语一般过去式讲解ppt.ppt

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 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 ago.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 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 to his classmates last week.否定句：否定句：_ 一般疑问句：一般疑问句：_否定回答：否定回答：_ 划线部分提问：划线部分提问：_ AnyQuestions?thankyou！