一般现在时复习课.ppt

1、一般现在时,教学目标1.能准确掌握句子中的动词 变化形式。2.学会把肯定句变成否定句， 一般疑问句和特殊疑问句。,谓语动词： 1.be动词 2.实义动词,一、动词be,练习： I _ a student. She _ an English teacher. We _ family.,am,is,are,1. am（I am）,2. is（She is/ He is/ It is/ Mike is/ This is）,3. are（We are /You are /They are）,1. He is tall. 否定句： He tall. 疑问句： tall? 肯定回答： 否定回答：,is n

2、ot=isnt,Is he,Yes, he is .,No, he isnt.,2. They are in the classroom. 否定句：They in the classroom. 疑问句： in the classroom? 肯定回答： 否定回答：,are not = arent,Are they,Yes, they are.,No, they arent.,总结：含be动词的否定句在be动词后加not 疑问句将be动词提到句首。,1. 含有be 动词的一般现在时的句式： 肯定句：主语+be+表语(名词形容词等) e.g. He_a worker. You _ thirteen.

3、 They_ in the classroom. 否定句：主语+be+ not+表语. e.g. He_ ( not be )a worker. You _ ( not be )thirteen. They _ ( not be )in the classroom.,is,are,are,arent,arent,isnt,小结：,一般疑问句：Be+主语+表语? 1. _ he a worker? Yes, he _./No, he _. 2. _ you thirteen? Yes, I _. No, I _. 3. _ they in the classroom? Yes, they _.

4、No, they _.,Is,Are,Are,are,arent,is,isnt,am,am not,二、含有实义动词的句子 (如go，play，work，eat，have, like 等）,go,have,like,I _ to school.我去上学。 You _ a soccer.你有一个足球。 We _ English.我们喜欢英语。,He_ to school. 他去上学。 She _ a soccer. 她有一个足球。 Mary _ English. 玛丽喜欢英语。,goes,has,likes,当主语为第三人称单数的时候，谓语动词要做出相应变化。,1、一般动词，在词尾加 s ;

5、如： work- live- play- sing- eg: She _ (live) in Ningbo. 她住在宁波。,动词第三人称单数变化的规则与可数名词复数变化的规则相同。,动词三单变化规律,lives,works lives plays sings,2. 以,-s,-x, -o,-sh, -ch结尾的加-es。读作 /iz /如： eg: My mother _ (wash) the coat. 我母亲洗了大衣。,washes,teach- wash- miss- pass- mix- fix- push- wish-,teaches washes misses passes mix

6、es fixes pushes wishes,3. 以辅音字母加y结尾的，变y为i，再加-es。 注意一定是辅音字母加y才变，若是元音字母加y，则直接加-s。 如： fly try fry copy buy enjoy play say pay,flies tries fries copies buys enjoys plays says pays,1、一般动词，在词尾加 s,2. 以,-s,-x, -o,-sh, -ch结尾的加-es,3.以辅音字母加y结尾的，变y为i，再加-es。 若是元音字母加y，则直接加-s,重点记：have-has do-does go- goes,动词三单变化规律

7、,1. I _oranges.(我喜欢橙子） 否定句：I oranges. 疑问句： oranges? 肯定回答： 否定回答：,dont like,Do you like,Yes, I do.,No, I dont.,like,2. I _ a baseball.(我有一个棒球） 否定句：I a baseball. 疑问句： a baseball? 肯定回答： 否定回答：,dont have,Do you have,Yes, I do.,No , I dont .,have,3. They like oranges. 否定句：They oranges. 疑问句： oranges? 肯定回答：

8、否定回答：,dont like,Do they like,Yes, they do.,No, they dont.,4. She _ oranges.(她喜欢橙子） 否定句：She _ oranges. 疑问句： oranges? 肯定回答： 否定回答：,doesnt like,Does she like,likes,Yes, she does.,No , she doesnt.,注意：三单动词要变化,5. She_ two volleyballs.她有两个排球。 否定句：She two volleyballs. 疑问句： two volleyballs? 肯定回答： 否定回答：,doesnt

9、 have,Does she have,Yes, she does.,No , she doesnt.,总结： 1.含有实义动词的一般疑问句要借助 助动词do或does； 否定句要借助 助动词 dont或doesnt 2. 助动词后用动词原形,has,小结： 实义动词的一般现在时的句式： (1). 如果主语是I/We/You/They及名词复数，动词用原形表示： 肯定句： I have a basketball. They go to school. 否定句：I dont have a basketball. They dont go to school. 一般疑问句：Do you have

10、a basketball? Do they go to school?,(2).主语是第三人称单数 肯定句: She has a basketball. Mike goes to school by bike. 否定句: She doesnt have a basketball. Mike doesnt go to school by bike. 一般疑问句 : Does she have a basketball? Yes,she does./No,she doesnt. Does Mike go to school by bike? Yes, he does. /No, he doesnt

11、.,将下列句子改成否定句和一般疑问句： I have a ping-pong bat. He has a basketball. Your brother has a soccer ball. We go to school on foot.,将下列句子改成一般疑问句和否定句： I have a ping-pong bat. (1) I dont have a ping-pong bat. (2) Do you have a ping-pong bat? Yes, I do/ No, I dont. 2.He has a basketball. (1)He doesnt have a bask

12、etball. (2) Does he have a basketball? Yes, he does. / No, he doesnt.,3. Your brother has a soccer ball. (1) Your brother doesnt have a soccer ball. (2) Does your brother have a soccer ball? Yes, he does./ No, he doesnt. 4. We go to school on foot. (1) We dont go to school on foot. (2) Do you go to

13、school on foot? Yes, we do./ No, we dont,根据划线部分提问。 1. _? My favorite subject is English. 2. _? My English teacher is Mrs. Li. 3. _? I like music because music is very relaxing. 4. _? Her favorite food is ice cream. 5. _? He likes P.E. because he thinks P.E. is fun.,Whats your favorite subject,Why do

14、 you like music,Who is your English teacher,Whats her favorite food,Why does he like P.E.,根据划线部分提问。 1. _? The sweater is red. 2. _? I have six basketball. 3. _? I go to school by bus. 4. _? Mr. Li teaches us English. 5. _? My brother goes to bed at 9:00.,What color is the sweater,How do you go to school,How many basketball do you have,Who teaches you English,When does your brother go to bed,1.助动词（do, does） 定义：帮助含实意动词的句子转换成疑问句、否定句等。 eg: 1. Do you drink tea? 2. I dont drink tea. 3. Does he play basketball? 4. He doesnt play basketball.,do的用法,2.实义动词do，does（有实际