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1、一般现在时be动词的用法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/TheyreHe/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 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答一般疑问句及其肯定答AmIhappy?Yes,Iam.Ar
2、eyou/we/theyyou/we/theyare.Ishe/she/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_you/we/they_he/she/it_am notarentisnt缩写形式小结：缩写形式小结：Im=I_youre/were/theyre=you/we/they_hes/shes/its=he/she/it_isnt=_arent=_amareisis notare not例句例句:(一一)一般疑问句及其肯定回答和否定一般疑问句及其肯定回答和否定 回答回答 1.Am I a student?Yes,you_.No,you_.areare
3、nt2.Are you good at swimming?Yes,I_./Yes,we_.No,Im_./No,we_.3.Is Simon tall?Yes,he_.No,he_.amarenotarentisisntbe 动词一般现在时的否定句动词一般现在时的否定句:4.I _(not be)a student.5.You _(not be)good at swimming.6.Simon _(not be)tall.am notare notis not巩固练习巩固练习将下列句子变成将下列句子变成(1)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;(2)变成否定句。变成否定句
4、。We are good friends.(1)_you good friends?Yes,we_./No,we_.(2)We _ good friends.ArearearentarentSimon and Sandy are classmates.(1)Are Simon and Sandy classmates?Yes,they_./No,they_.(2)Simon and Sandy _classmates.arearentarentHer hair is long.(1)_her hair long?Yes,it_./No,it_.(2)Her hair _long.IsisisntisntRevisionFill in the blank with the verb to be.1.She _ very polite.2.I _ Millie.3._ you from Shanghai?4.We _ good friends.5.Amy and Sandy _ classmates.6.They _ (not be)in the swimming pool.is am Arearearearet/are not