一般现在时句型转换ppt课件.ppt

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1、一般现在时句型转换,一般现在时态,.陈述句（肯定句） .否定句 .一般疑问句 .特殊疑问句 .选择疑问句.反意疑问句,一般现在时态的陈述句,Eg: I am a teacher .You are a worker.She/He is a student .We/You/They are students.,1.Be 的用法：I用 am， you用are， is用于他(he)、她(she) 、它(it)，复数(we,you,they)全部都用 are.,练习: 1.Paul (be) a teacher. 2.I (be) 30 years old 3.Her parents both (be)

2、 teachers.,is,am,are,Be 动词,1、一般动词，在词尾加 s ; 如： work-works, live-lives, play-plays, sing- sings. eg: She lives in Ningbo. 她住在宁波。2、以/s/ /z/ 等音素结尾的动词，词尾加 -es ，如词尾为e， 只加-s. 读作 /iz /如： teach- teaches, wash- washes. eg: My mother washes the coat.我母亲洗了大衣。,行为动词do一般现在时第三人称单（he,she,it) 的构成规则：,2.行为动词： do 和does,

3、3.以辅音字母加Y 结尾的词，把Y变I 在加ES，读作Z,Study fly,studies,flied,4.以辅音字母+O结尾的词，一般情况是在词尾加ES 读作Z,go do,goes,does,5.特殊情况：,have has,II 一般现在时的否定式,1.Be 动词的否定式: be + not,I 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=isntare n

4、ot=arent,否定句,2行为动词主语是I/we/you/they/复数名词，在动词前加dont(do not).主语是he/she/it/单数名词/不可数名词，在动词前加doesnt (does not），动词用原形。,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,Ex1. 将下列各句从肯定式改为否定式,I talk to Peter because I

5、like him.Kate comes from America. Kate works with PeterI am Chinese, and I am a student.They know each other.,I dont talk to Peter because I dont like him.,Kate doesnt come from America.Kate doesnt work with Peter.,I am not Chinese, and I am not a student,They dont know each other.,概念：用 yes 或 no 来回答

6、的疑问句叫做一般疑问句。一般疑问句句首的第一个词一般读得比较重。,III一般疑问句,I am a teacher. Are you a teacher?You are a worker. Are you a worker?He is a student. Is he a student?We are friends. Are you friends?,1.对于be 动词，疑问句要求把be 提前，第一人称（I/we）变成第二人称，随之am变成are.,疑问句,2.对于实意动词，疑问句要求是：当主语是I/we/you/they/复数名词时，句子前面加Do；当主语是he/she/it/单数名词/不可

7、数名词时，句前加Does ，并把动词变成动词原形。第一人(I/we) 称换第二人称(you)。,I often go there.You like the music.He goes to work by bus .They like it.,Do you often go there ?Do you like the music.?Does he go to work by bus ?Do they like it?,请把下列句子变成否定句和疑问句。,The sun rises in the east.2.Tom gets up at six in the morning.3. They l

8、ive in Shanghai.4. I am a student.,The sun doesnt rise in the east.Does the sun rise in the east?,Tom doesnt get up at six in the morning.Does Tom get up at six in the morning?,They dont live in Shanhai.Do they live in Shanhai?,I am not a student. Are you a student?,一般现在时中将肯定句变成否定句或一般疑问句：be 动词 be +

9、not Be 提前 ？,否定句,一般疑问句,行为动词（do does） 两种判断方法看主语 I/we/you/they/复数名词 （用do) he/she/it/单数名词/不可数名词 (用does 动词变原形）看谓语动词 谓语是原形（用do) 谓语不是原形（用does 动词变原形),. 特殊疑问句,特殊疑问句在考试中涉及的比较多，主要以选择和转换句型为主，首先要掌握一些常用疑问词的意思如：what（什么）,when, what time（什么时间）, who（谁）, where（在哪里）, why（为什么）, how（怎样）, how many+可数名词的复数（多少）， how long（多长

10、时间）, how often（多久一次） 等，其次掌握它的语序，即就是特殊疑问词+一般疑问句语序（Who）除外,一、疑问词+ 一般疑问句句序：What do you want? I want the books on your desk.,特殊疑问句的语序,二，与陈述句的语序同： （疑问词作主语或修饰主语) Who gives you the present. Mr. Wang gives me the present. What is in the box? Whose book is on the desk?,变特殊疑问句分为三步：,一定 根据划线部分确定特殊疑问句，并代替划线部分二变 将

11、句子变成一般疑问句（前面已讲）三提 将特殊疑问词提前,My book is on the desk.Is your book where?Where is your book? He gets up at six in the morning.Does he get up when in the morning?When does he get up in the morning?,where,when,Tom goes to school every day by bike.1.就Tom 提问 2.就goes to school提问 3.就by bike提问,Ex.请做练习。,1.Who goes to school every day by bike?,2.What does Tom do every day by bike ?,3.How does Tom go to school every day?,