课件名称：《一般过去时》多媒体CAI课件

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1 课件名称：《一般过去时》多媒体CAI课件
运行平台：Windows 98 制作软件：Microsoft PowerPoint 2000 开 发 者：南宵中学 何元康老师

2 知识结构 动词的过去式 构成 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 用法 反复发生的动作。 一般过去时
yesterday last night in 1990 two days ago 常用时间

3 构成 规则动词 动词过去式 的构成 读音 不规则动词

4 规则动词过去式的构成 构成规则 例词 1、一般在动词原形末尾加– ed look looked play played start started 2、结尾是 e 的动词加 -- d live lived hope hoped use used 3、末尾只有一个辅音字母的 重读闭音节词，先双写这 个辅音字母，再加—ed stop stopped plan planned trip tripped 4、结尾是“辅音字母+y”的动词， 先变“y”为“i”再加—ed study studied carry carried

5 规则动词词-ed的读音 清念 /t/ ,元浊/d/ ; /t/ /d/ 之后念/id/ 说明： 1、清念 /t/ ，即 ed 在清辅音后面念 /t/ ,例：finished helped passed 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

6 不规则动词表 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

7 用 法 1、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? 2、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.

8 yesterday morning (afternoon, evening…)
常用时间 常与一般过去时态连用的时间有： yesterday yesterday morning (afternoon, evening…) last night (week, month, year…) two days ago, a week ago, three years ago… in 1990, (in 1998…)

9 That’s great√ PRACTISE 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? didn’t do Did find any How long did stay Was any That’s great√

10 再 见 再 见 再 见 二OO一年一月五日