一般现在时的陈述句,否定句

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1、一般现在时态一般现在时态.陈述句（肯定句）.否定句 一般现在时态的陈述句一般现在时态的陈述句概念：一般现在时态表示的是经常反复发生的动作或存在概念：一般现在时态表示的是经常反复发生的动作或存在概念：一般现在时态表示的是经常反复发生的动作或存在概念：一般现在时态表示的是经常反复发生的动作或存在的状态。的状态。的状态。的状态。Eg:I am a teacher.Eg:I am a teacher.You are a worker.You are a worker.She/He is a student.She/He is a student.We/You/They are students.We/

2、You/They are students.1.Be 1.Be 的用法：的用法：的用法：的用法：I I用用用用 am am，you you用用用用areare，is is用于用于用于用于他他他他(he)(he)、她、她、她、她(she)(she)、它、它、它、它(it)(it)，复，复，复，复数数数数(we,you,they)(we,you,they)全部都用全部都用全部都用全部都用 are.are.练习练习:1.Paul(be)a teacher.:1.Paul(be)a teacher.2.I (be)30 years old 2.I (be)30 years old 3.Her pare

3、nts both (be)teachers.3.Her parents both (be)teachers.is amare1、一般动词，在词尾加、一般动词，在词尾加 s;如：如：work-works,live-lives,play-plays,sing-sings.eg:She lives in Ningbo.她住在宁波。她住在宁波。2、以、以/s/z/等音素结尾的动词，词尾加等音素结尾的动词，词尾加-es，如词尾为，如词尾为e，只加只加-s.读作读作/iz/如：如：teach-teaches,wash-washes.eg:My mother washes the coat.我母亲洗了大衣。

4、我母亲洗了大衣。行为动词行为动词do一般现在时第三人称单一般现在时第三人称单（he,she,it)的构成规则：的构成规则：2.行为动词：DO 和DOES3.以辅音字母加以辅音字母加Y 结尾的词，把结尾的词，把Y变变I 在加在加ES，读作，读作ZStudy flystudiesflies 4.以辅音字母以辅音字母+O结尾的词，一般情况是在词尾加结尾的词，一般情况是在词尾加ES 读读作作Zgo do goesdoes5.特殊情况：特殊情况：have has EX2 1.Tom often_(get)up at six in the morningEX2 1.Tom often_(get)up at

5、 six in the morning 2.The earth _(go)around the sun.2.The earth _(go)around the sun.3.Marys parent _(live)in Beijing.3.Marys parent _(live)in Beijing.4.She _(draw)very well.4.She _(draw)very well.Ex1.Ex1.写出下列词的单三形式：写出下列词的单三形式：写出下列词的单三形式：写出下列词的单三形式：look;go;give;fly;have look;go;give;fly;have looks;go

6、es;gives;flies;has looks;goes;gives;flies;has getsgoeslivesdrawsEg:1.I get up at six in the morning.我在早上六点钟起床。2.You go to work at eight.2.You go to work at eight.你在八点去上班。你在八点去上班。3.Tom goes to school by bike.汤姆骑自行车去学校。II 一般现在时的否定式一般现在时的否定式1.Be 动词的否定式动词的否定式:be+notI am a teacher.You are a workerShe is

7、a doctorWe are friends.Im not a teacherYou arent a workerShe isnt a doctor.We arent friends.is not=isntare not=arent 否定句2.(do)当当主主语语是是单单数数第第三三人人称称时时，它它与与助助动动词词DOES有有关关，但但是是动动词词谓谓语语一一定定要要恢恢复复为为原原形形。当当主主语语是是其其他他人人称称时时，它与助动词它与助动词DO有关。有关。I like English.She likes it very much.We go to work by bike.I dont

8、 like English.She doesnt like it very much.We dont go to work by bike.否定句Ex1.将下列各句从肯定式改为否定式将下列各句从肯定式改为否定式1.I talk to Peter because I like him.2.Kate comes from America.Kate works with Peter3.I am Chinese,and I am a student.4.They know each other.I dont talk to Peter because I dont like him.Kate does

9、nt come from America.Kate doesnt work with Peter.I am not Chinese,and I am not a studentThey dont know each other.II 一般现在时的否定式一般现在时的否定式1.Be 动词的否定式动词的否定式:be+notI am a teacher.You are a workerShe is a doctorWe are friends.Im not a teacherYou arent a workerShe isnt a doctor.We arent friends.is not=isnt

10、are not=arent 否定句2.(do)当当主主语语是是单单数数第第三三人人称称时时，它它与与助助动动词词DOES有有关关，但但是是动动词词谓谓语语一一定定要要恢恢复复为为原原形形。当当主主语语是是其其他他人人称称时时，它与助动词它与助动词DO有关。有关。I like English.She likes it very much.We go to work by bike.I dont like English.She doesnt like it very much.We dont go to work by bike.否定句谢谢 谢！谢！放映结束 感谢各位批评指导！让我们共同进步本内容仅供参考,如需使用，请根据自己实际情况更改后使用！