冀教版（三起）五下-Unit 4 Did You Have a Nice Trip -Lesson 20 Jenny Goes Home-ppt课件-(含教案)-公开课-(编号：20c1d).zip

一般过去时态 The Simple Past Tense 什么是一般过去时？ 定义：一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的时间 连用。 常用时 间 常与一般过去时态连用的时间有： yesterday 昨天 yesterday morning (afternoon, evening) last night (week, month, year)上一个 two days ago, a week ago, three years ago in 1990, (in 1998) 1.与与ago 连用：连用： a moment two minutes three hours five days one week six months four years ago以前，之前 用于一般过去时的时间状语 last time night week month term Monday yesterday morning afternoon evening the day before yesterday 2.与last 连用 3.与yesterday 连用： 所有时态都是通过 动词 变化来表现的 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 规则动词过去式的构成 不规则动词表 动词原形 过去式 am is was are were go went eat ate bring brought see saw buy bought can could 动词原形 过去式 have had come came do did draw drew drink drank drive drove eat ate fall fell 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. I _ 12 years old this year. 我去年11岁. I _ 11 years old last year. He _ in Beijing now. 他昨天在上海。 He _ in Shanghai yesterday. 他现在在北京。 Please look at the sentences 我今年12岁. am was is was They _ in China today. 他们今天在中国。 They _ in Japan yesterday. 他们昨天在日本。 are were am/ iswas arewere 每天，早餐我吃鸡蛋和牛奶。 I _ eggs and milk for breakfast every morning. 昨天，早餐我吃面条。 I _ noodles for breakfast yesterday morning. 他每天都吃水果。 He _ fruit every day. 昨天他吃了3个苹果。 He _ 3 apples yesterday. have/ has had have has had had I get up at 6:30 every morning. I _ up at 9:00 last Sunday. He plays football every afternoon. He _ basketball yesterday afternoon. 动词过去式 got played They dont watch TV in the evening. They _ TV last night. She doesnt play basketball after school. She _ basketball after school yesterday. Do you go to school on foot every day? _ you _ to school on foot yesterday. Does he go to school by bus every day? _ he _to school by bus yesterday? dont/ doesnt do/ does didnt did didnt watch didnt play Did Did go go 谓语构成 1.动词 be 2.动词 have, has 3.助动词do, does 4.行为动词用过去式 was , were had did 一般过去时以动词的过去式来表示， 没有人称和数的变化.(was,were除外) I went to school yesterday. They went to school yesterday. 行为动词一般过去时的否定式 一般过去时的否定式是在动词原形 前加助动词did not (didnt). 主语+didnt+动词原形 I _ them the news. I _ (tell) them the news yesterday. didnt tell told 行为动词一般过去时的疑问式 一般过去时的一般疑问式在句 首加助动词did Did+主语+动词原形？ They _(finish) their work yesterday. 一般疑问句: _ they _ their work at yestreday? Yes, they _. No, they _. finished Didfinish did didnt 行为动词一般过去时的疑问句 一般过去时的特殊疑问句 疑问词+did+主语+动词原形？ They finished their work at four. AB 对划线部分提问 A: B: What did they do at four? When did they finish their work? T 注意 1.外加助动词did后,动词须返回原形。 Did he went to school yesterday? Did he go to school yesterday? F 2.简略回答用助动词did/didnt代替 行为动词。 Did he find the boy yesterday? Yes, he did. No, he did not (didnt). 一般过去时态的教学设计 1、 教学目标 ： 1、掌握动词过去式的变换形式 2、让学生学会正确地使用一 般过去时 3、能综合的应用一般过去时完成任务 4、通过这节课的学习，培养 学生参与课堂教学的兴趣和积极性，以及培养他们运用语法知识的交际能力。 二、 教学重点 ： 1、 掌握一般过去时的概念和构成 2、 掌握动词过去式的 变换形式 3、 了解一般过去时的基本用法 4、 能灵活的运用一般过去时 三、 教学难点 ： 一般现在时的构成，掌握动词过去式的变换形式， 能灵活 的运用一般现在时 四、 教学准备 1、 准备教学课件 2、 课堂练习题、练习纸 五、教学过程 （一） 1、 一般现在时的概念 一般过去时表示过去某一时间内发生的动作或存在的状态以及过去习惯性、反 复性的动作。 2、一般现在时的构成 1）肯定句 主语+动词的过去式+其它 He cleaned his room last week. 2）否定句 主语+助动词 +not+动词原形+其它 He did not clean his room last week. 3）一般疑问句 助动词+主语+ 动词原形+其它 Did He clean his room last week? 3、动词过去式的变化 是以动词后加 ed 表示的， 一般情况 词尾加 -ed looklooked 以不发音 e 结尾的动词，在词尾直接加 ed livelived 以“辅音字母+y ”结尾的动词 变 y 为 i，再加- ed studystudied trytried 以重读闭音节（即辅音+元音+辅音） 结尾，末尾只有一个辅音字母的动词，要先双写这个辅音字母后，再加 ed stopstopped planplanned 不规则动词的过去式需特殊记忆 am(is) was are were gowent comecame 等 4、一般过去时 的基本用法 一般过去时表示过去某个时间发生的动作或存在的状态，常和表 示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。 （二） 、Be 动词在一般过去时中的变化： am 和 is 在一般过去时中变为 was。 （was not = wasnt） are 在一般过去时中变为 were。 （were not = werent） 带有 was 或 were 的句子，其否定、疑问 的变化和 is, am, are 一样，即否定句在 was 或 were 后加 not，一般疑问句把 was 或 were 调到句首。 （三） 、句中没有 be 动词的一般过去时的句子 否定 句：didnt + 动词原形，如：Jim didnt go home yesterday. 一般疑 问句：在句首加 did，句子中的动词过去式变回原形。 如： Did Jim go home yesterday? 特殊疑问句：疑问词+ did + 主语+ 动词 原形？ 如： What did Jim do yesterday? 疑问词当主语时：疑问词+ 动词过去式？ 如：Who went to home yesterday? （四） 、小组合作探究 与展示 1、分小组讨论归纳出规则动词的过去式构成： 展示： 1） 、一般加 ed 2)、 以 e 结尾的加 d； 拓展： 3)、以辅音字母加 y 结尾的改 y 为 i 加 ed； 4)、 以辅元辅结尾的重读闭音节，双写末尾的辅音字母加 ed 2、分小组讨论归纳出不规则动词的过去式构成： 展示： 1)、没有变化，如 : put -put 2)、改变元音的，如 :ring rang，run ran，become - became 3） 、更 特殊的情况，如：have had，is was，see saw，leave left，hide - hid 小组合作学习克服了以前教学的覆盖率不高、学生的实践机会不够多、训练不 够充分的缺点，逐步改变了学生惰性较强、懒于开口、过分依赖教师的被动学 习方式。在小组合作学习过程中，学生在知识、能力、兴趣、素质等方面相互 沟通，相互认同，相互补充，相互影响，相互促进。这种学习方式可以解决个 别差异，缩小两极分化，有助于因材施教。 六、课堂练习 1、写出下列动词的过去式 do did go went walk walked play played pass passed stud y studied come came hurry hurried have had 2、用括号内动词的适当形式填空 Lucy listened (listen) to MP3 last class. Liu Yang went (go) to school at 7 last week. He had (have) lunch at home last Sunday.