巧记动词过去式ppt课件.ppt
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1、Read it loudly! I am having an English class now. I have an English class on Sundays. I am going to have an English class next Sunday. I had an English class last Sunday. 翻译一下!看看有什么不一样!一般过去时 意义:一般过去时表示过去某个时间发生的事情或存在的状态。 构成及变化: 1)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(否定:was not=wasnt);are在一般过去时中变为were(否定w
2、ere not =werent)Be动词的句型变化 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。 E.g:肯定: I was at home last night. 否定: I wasnt at home last night. 疑问:Were you at home last night? Yes, I was/ No,I wasnt.一、用be动词的适当形式填空 1. I _ at school just now. 2. He _ at the camp last week. 3. W
3、e _ students two years ago. 4. They _ on the farm a moment ago. 5. Yang Ling _ eleven years old last year. 6. There _ an apple on the plate yesterday. 7. There _ some milk in the fridge on Sunday. 8. The mobile phone _ on the sofa yesterday evening. waswaswerewerewaswaswaswasHave a try! 1.It was sev
4、en oclock. 2.Yesterday was my birthday. 3.They were at school last day. 4.I was a student three years ago.行为动词(句中不含be动词)句型变化 肯定句:主语+动词的过去式 E.g: I watched a film last Sunday. 否定句:主语+didnt +动词原形 E.g:I didnt watch a film last Sunday. 一般疑问句:Did +主语+动词原形? E.g: Did you watch a film last Sunday? Yes,I did.
5、 /No, I didnt. 特殊疑问句:疑问词+以did开头的一般疑问句? E.g: What did you do last Sunday?Lets have a try! 1.I played basketball in the playground last weekend. 2.He went Beijing a week ago. 3.My cat ate two fish at lunch.一般过去时的基本用法 1.表示再过去某一时间内发生的动作或存在的状态。 E.g:When did you find the box? 2.表示过去的习惯动作、过去反复发生的事。 E.g:In
6、those days he took his wife and children to the cinema at least once a week. 在那些日子里,他至少每周一次带着孩子和妻子去看电影。3.使用一般过去时的其他情况: 句中没有特定的表示过去的时间状语时,可依据上下文进行推测。E.g:-Havent you graduated from college? -Yes,I studied French for two years. Key Words 在一般过去时的句子中,常出现以下时间状语标志词: Yesterday, yesterdaymorning/afternoon/ev
7、ening. Last night/week/month/year Ago/a moment ago/a week ago/ three years ago Just now(刚刚) .一般过去时中的动词变化 1.一般情况下,在动词的末尾加ed. cookcooked listen-listened looklooked 2.以e结尾的动词,在动词的末尾加d. livelived arrivearrived useused 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 4.结尾是“辅音字母+y”的动 词,先变“y”
8、为“i”再加ed study studied carry carried 5. 结尾是“元音字母+y”的动词,直接加-ed playplayed stay-stayed 动词+ed的读音 清念清念 /t/ ,元浊元浊/d/ ; /t/ /d/ 之后念之后念/id/ 说明:说明: 1、清念、清念 /t/ ,即,即 ed 在清辅音后面念在清辅音后面念 /t/ 例:例:finished helped passed cooked 2、元浊、元浊 /d/ ,即即 ed 在元音,浊辅音后面念在元音,浊辅音后面念 /d/ 例:例:borrowed enjoyed called moved 3、/t/ /d/
9、 之后念之后念 /id/ , 即即 ed 在在 /t/ /d/ 音后面念音后面念 /id/ 例:例:wanted shouted needed countedExercise:live dancepickplayjumpcleanwatch plantmilkwaterlearnstartplanhope workworrytalkpollutestudystayvisitcalltryfinishliveddancedpickedplayedjumpedcleanedwatchedplantedmilkedwateredlearnedstartedplannedhopedworkedworr
10、iedtalkedpollutedstudiedstayedvisitedcalledtriedfinished不规则动词不规则动词Irregular verbs Somebody 说:不规则的动词变化很难记? somebody说:不规则的动词变化不难记! 到底谁说的对? lets go!NO.1元音字母变为a(10) swim swam runran sit-sat come-came give-gave eat-ate drink-drank become-became begin-began sing -sang 米奇游泳(swim) 之前先跑(run)了几圈,跑完后感觉很累,就坐(si
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