1、Unit2 Lets play sportsGrammar（第四课时）【学习目标】1.理解行为动词一般现在时的用法。2.掌握行为动词一般现在时的肯定句、否定句、疑问句及其肯定和否定的基本用法。3.结合本单元话题，用一般现在时进行交际。【学习重、难点】1.理解行为动词一般现在时的用法。2.掌握行为动词一般现在时的肯定句、否定句、疑问句及其肯定和否定的基本用法。3.结合本单元话题，用一般现在时进行交际。【学习过程】 Step 1:Daily greetings: T:Good morning,everyone. S:Good morning. T:How are you? S:Im fine,th
2、ank you.And you? T:Im OK.Thank you.Sit down,please. Step 2:Show Learning aim T:Today we will learn Unit 2 Grammar.Please look at our Learning aims(Then I read it slowly.) T:Are you clear? S:Yes. T:Lets go on. Step3:Show Guide Oneto the students. Guide One Read the following sentences,pay attention t
3、o the words in black.I live in a flat. I have a pet at home. I go to work by bus. I watch TV at weekends. I do the housework every evening. This class we will learn simple present tense of the verb “to do”. 1. 当主语是第一人称、第二人称、第三人称复数时谓语动词以动词原形构成。I _(like) red. You _(have) breakfast at 7 a.m. They _(pla
4、y) football every week. 否定句的构成 do not= dont 将以上句子改为否定句。 I dont like red. You dont have breakfast at 7 a.m. They dont play football every week.仔细观察，他们是如何变成否定句的？当主语是第一，第二或第三人称复数时，其否定形式借助于do not= dont来否定。一般疑问句的构成 -Do.? -Yes, do. / No, dont. 将以上句子改为一般疑问句，并作肯定或否定回答。Do you like red? Yes, I do. Do you have
5、 breakfast at 7 a.m.? No, I dont. Do they play football every week? Yes, they do. 当主语是第一，第二或第三人称复数时，是如何来提问的？借助于do来提问。2. 当主语为第三人称单数时谓语动词用三单现形式。 Step 4:Show Guide Twoto the students. Guide TwoRead the following sentences,pay attention to the words in black. She lives in a flat. She has a pet at home.
6、She goes to work by bus. She watches TV at weekends. She does the housework every evening. 动词的三单现变化规则如下：（1）.一般情况加-s,例如：readreads cookcooks bringbrings useuses （2）以s,x,sh,ch结尾的动词，加-es.例如：miss ,finish ,teach- ,watch ,fix （3）以辅音字母+y结尾的动词，变y为i再加-es。例如：carry ,study , fly (4) 以o 结尾的动词加-es go - _ do - _(5)
7、 have 变成hasNow Ill show you a picture of Simon. Look carefully and thenanswer my questions. Does he like playing football? Yes. He does. Simon likes playing football. Does he wear glasses? No, he doesnt. Simon doesnt wear glasses. Pay attention to the underlined part and work out the rule. 当主语是第三人称单
8、数（he, she, it）时，其否定句要借助于does not/ doesnt，后面的动词用原形。特别要注意doesnt的拼写。当主语是第三人称单数时，借助于does来提问，后面的动词用原形。Lets have a match and see who can do it best.Step 5:Show Guide Threeto the students. Guide ThreeTurn to P24, finish Part A, Part B and Part C. then check the answers. Have a match! Who can do it best?Cla
9、ss Exercise (一）Finish the exercise on P24 on your own Class Exercise (二）用单词的适当形式填空1. We often_(play) in the playgound.2. He _(get) up at six oclock.3. _you _(brush) your teeth every morning.4. What (do)_ he usually _(do) after school?5. Danny_ (study) English,Chinese,Maths,Science and Art an school.教学反思：
