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1、Simple past tense&Simple present tenseTeaching aimsTeaching aims1.Master the different forms of the verb to be or do.2.To compare the usage of the Simple Past Tense and the Simple Present Tense.Guide One 请大家在请大家在5分钟分钟 之内相互讨论一下，看看谁能之内相互讨论一下，看看谁能在最短的时间内总结的又快又准。在最短的时间内总结的又快又准。1.I am a teacher.2.You are
2、 students.3.Her hair is long.4.I am not a teacher.5.Are you good at swimming?5.用法口诀：用法口诀：“我我(I)”用用am,“你你(you)”用用are,“is用于用于“他他(he)”、“她她(she)”、“它它(it)”,复数人称复数人称we/you/they 都用都用“are”。单数名词和不可数名词用单数名词和不可数名词用is,复数名词复数名词全用全用are.一般现在时一般现在时be动词在动词在 肯定句中的用法肯定句中的用法I am 或或 ImhappyYou/We/They are或或 Youre/Were/T
3、heyreHe/She/It is 或或 Hes/Shes/Its一般现在时一般现在时be动词的否定句动词的否定句I am not或或 Im nothappyYou/We/They are not或或 You/We/They arentHe/She/It is not 或或 He/She/It isnt主语主语+系动词系动词be+not+其他其他.特别提示：特别提示：am not 不能缩写为不能缩写为amnt.一般现在时一般现在时be动词的动词的一般疑问句及其肯定回答一般疑问句及其肯定回答AmIhappy?Yes,Iam.Areyou/we/theyyou/we/theyare.Ishe/sh
4、e/ithe/she/itis.一般疑问句的否定回答一般疑问句的否定回答No,I am not或或 Im not happy.you/we/they are not或或arenthe/she/it is not 或或 isnt结构：系动词结构：系动词Be+主语主语+其他其他?肯定回答：肯定回答：Yes,主语主语+be.否定回答：否定回答：No,主语主语+be+not.提示：提示：am not不能写为不能写为amnt，无缩写形式，无缩写形式.布置作业布置作业:用用be的适当形式填空的适当形式填空1.A:What _(be)his name?B:His name _(be)Tom.2.A:_(be
5、)you Mikes classmate?B:Yes,I _(be).3.A:What _(be)your brother?B:He _(be)a doctor.4.A:_(be)they your new classmates?B:No,they_(be not)5.A:_(be)this your e-dog?B:No,it _(be not)变式练习变式练习将下列肯定句变成将下列肯定句变成(1)变成否定句。变成否定句。(2)一般疑问句并作肯定和否定回答一般疑问句并作肯定和否定回答;肯定句：肯定句：We are good friends.否定句：否定句：We arent good frie
6、nds.疑问句：疑问句：Are you good friends?肯定回答：肯定回答：Yes,we are.否定回答：否定回答：No,we arent.肯定句：肯定句：Simon and Sandy are classmates.否定句：否定句：Simon and Sandy arent classmates.疑问句：疑问句：Are Simon and Sandy classmates?肯定回答：肯定回答：Yes,they are.否定回答：否定回答：No,they arent.I am twelve years old.我去年我去年11岁。岁。I was eleven years old l
7、ast year.He is at home now.他现在在家里。他现在在家里。Please look at the following sentences.我今年我今年12岁。岁。他昨天在家里他昨天在家里。He was at home yesterday.They are in China today.他们今天在中国。他们今天在中国。They were in China yesterday.他们昨天在中国。他们昨天在中国。Please look at the following sentences.beamisarewaswere观察那几个句子，你发现了什么？Free talk:Free
8、talk:1.We use the simple past tense to talk about things in the past.一般过去时的用法一般过去时的用法 提示：表示过去的时间状语：提示：表示过去的时间状语：just now,yesterday,yesterday morning/afternoon/evening,last night/week/month/year,in 2008,a month ago,ten years ago 1.I _(be)born in 2000.2.We _(be)at home yesterday.肯定式：肯定式：主语主语+was/were+
9、Simple past tense of the verb to bewaswere句型结构：句型结构：否定式：否定式：主语主语+was not(wasnt)/were not(werent)+1.She _(not be)at home.2.The English and Maths papers _(not be)easy enough for me.werentwasnt一般疑问式：一般疑问式：Was/Were+主语主语+?Yes,主语主语+was/were.No,主语主语+was not(wasnt)/were not(werent).1._(Be)you late for schoo
10、l yesterday?No,I _.2._(Be)he at home last week?Yes,he _.WerewasntWaswas中考链接中考链接中考链接中考链接v1.Where were you last Saturday?v I _ in the Capital Museum.(2012北京北京)v A.am B.will be v C.was D.have beenv 2.There was some orange juice in the cup.(一般疑问句一般疑问句)v _ there _ orange juice in the cup?Wasanyv1.I was v
11、ery hungry when I get home.v(改为一般疑问句)v very hungry when you get home?v2.Tim was late for work because he missed the bus.(对划线部分提问)v Tim late for work?中考链接中考链接中考链接中考链接WhywasWereyouvShe played ping-pong last Sunday.vShe didnt stay there for a week.Did the boy play basketball yesterday afternoon?No,he d
12、idnt.一般过去时的肯定式、否定式和一般疑一般过去时的肯定式、否定式和一般疑问式的构成问式的构成肯定式：肯定式：主语主语+动词的过去式动词的过去式+否定式：否定式：主语主语+did+not+动词原形动词原形+He cleaned his room last week.He did not/didnt clean his room last week.一般疑问式：一般疑问式：Did+主语主语+动词原形动词原形+?肯定回答：肯定回答：Yes,主语主语+did.否定回答：否定回答：No,主语主语+didnt.Did he clean his room last week?Yes,he did./N
13、o,he didnt.2.We form the simple past tense by adding-ed to regular verbs.1 绝大多数动词绝大多数动词+edwalk-walked2以以e结尾的动词结尾的动词+dlivelived3以以辅音辅音字母字母+y结结尾的动词尾的动词变变y为为iedcrycried4以一个元音字母以一个元音字母+一个辅音字母结一个辅音字母结尾的短动词尾的短动词双写末双写末尾的辅尾的辅音字母音字母+edstop-stopped提示提示:以元音字母以元音字母+y结尾的动词结尾的动词按第一条规则，即：按第一条规则，即：+ed,如如:stay staye
14、d play-playedwant talk like worry try stop wanted talked liked worried tried stopped 写出下列动词的过去式。写出下列动词的过去式。1没有变化没有变化cost-cost put-put 2改变了元音改变了元音write-wrote know-knew3改变了辅音改变了辅音make-made spend-spent4元音和辅音都变化元音和辅音都变化leave-left teach-taught5其他的其他的am/is-was are-wereInfinitive Past tense am/is was are w
15、ere begin began become became bring brought build built buy bought can couldInfinitive Past tensecatch caughtcome camedo diddraw drewdrink drankeat ateget gotfly flew 写出动词的过去式：写出动词的过去式：1.go_ 2.sit_ 3.hear_ 4.turn_ 5.can_ 6.ask_ 7.reply_ 8.leave_ 9.run_ 10.see_ 11.happen_ 12.say_ 13.tell_ 14.stand_ 1
16、5.look_ e_ 17.search_ 18.find_ 19.make_ 20.put_ 21.pick_ 22.take_ went sat heard turned could asked repliedleft ran saw happened said told stood looked came searched found made putpicked took1.Paul and I _ tennis yesterday.He did much better than I.(2011北京北京)A.play B.will play C.played D.are playing
17、2.She stayed there for a week.(划线部分划线部分提问提问)_ _ _ she _ there?中考链接中考链接中考链接中考链接staydidHow long1.Mary (be)at home yesterday.She (be not)at school.2.The boy (be)in the library now.But he (be)in the classroom just now,because he had an Chinese lesson.3.We (be not)in Beijing last week.We (be)at home.4.Ki
18、tty and I (be not)happy because we didnt have breakfast.waswasntiswasntwerentwerewerentII.翻译句子。翻译句子。1.上周末你做什么了？上周末你做什么了？2.星期六的早上，我踢足球了。星期六的早上，我踢足球了。3.星期天的晚上，我看电视了。星期天的晚上，我看电视了。What did you do last weekend?On Saturday morning,I played soccer.On Sunday night,I watched TV.Emma每天都看电视。可是昨天她没有看。每天都看电视。可是昨天她没有看。Emma watches TV everyday,but she didnt watch TV yesterday.Its dangerous to swim here.Look at the sign.Oh,I _ notice it.Thanks for telling me.A.havent B.wont C.dont D.didnt