The Simple Past Tense,一般过去时,I finished my job yesterday. I didnt sleep well last night. The dog was lost last week They moved to ShuangBei in 1990,结构,主语+动词过去式,知识结构,一般过去时,构成,用法,常用时间,动词的过去式,1、表示过去某个时间发生的动作或 存在的状态。 2、表示过去经常或反复发生的动作。,yesterday last night in 1990 two days ago,动词过去式 的构成,规则动词,不规则动词,构成,读音,规则动词过去式的构成,规则动词词-ed的读音 (理解),说明： 1、清念 /t/ ，即 ed 在清辅音后面念 /t/ ,例：finished helpedpassed cooked 2、元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ ,例：borrowed enjoyed called moved 3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/例：wanted shouted needed counted,不规则动词的过去式变形,Infinitive Past tense am is was are were begin begun break broke bring brought build built buy bought can could,Infinitive Past tense catch caught come came do did draw drew drink drank drive drove eat ate fall fell,两种用法,A.表示过去某个时间发生的动作或存在的状态。B.表示过去经常或反复发生的动作。,A.表示过去某个时间发生的动作或存在的状态。,He was here yesterday. I got up at six thirty yesterday morning. My father was at work yesterday afternoon. Did you have a good time last summer?,B.表示过去经常或反复发生的动作。,My father often went to work by bus last year. When I was a child, I often listened to music.,过去式常用的标志性时间词,yesterday yesterday morning (afternoon, evening) last night (week, month, year) two days ago, a week ago, three years ago in 1990, (in 1998),改写句子： 1、Lucy did her homework at home.（改否定句）Lucy _ _ her homework at home. 2、He found some meat in the fridge.（变一般疑问句)_ he _ _ meat in the fridge? 3、She stayed there for a week.（对划线部分提问）_ _ _ she _ there? 4、There was some orange in the cup.（变一般疑问句)_ there _ orange in the cup?,1.didnt do 2.did find any 3.How long did stay 4.was any,