人教新目标(Go for it)版英语七年级下 Unit2 第三人称单数概念及用法 课件
展开第三人称单数形式 第三人称单数范围大家都知道,在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。 但有些同学们对于哪些主语是第三人称单数还不十分清楚。第三人称单数主语第一人称:我,我们(I,we)第二人称:你,你们(you) 第三人称:除了第一第二人称,其他都是第一、第二、第三人称各是什么? 第三人称是相对于对话时,某一句话中,言语发出方(第一人称)和言语的听受方(第二人称)以外的其它人称。 单数是指该句中提到的其它人是一个人,相对于两个人或更多人(复数)。 第三人称单数是语言中对话双方外其它某一个人指示时使用的代词。(简称三单)你能分辨出第三人称单数吗?sheBob and Tomwe his fatherIthe catsome breadmy grandparentsthis5 orangeshe ice-creamtheythe boyitthose 一、人称代词he, she, it①He likes watching TV. 他喜欢看电视。②She has lunch at twelve. 她十二点吃午餐。③It looks like a cat. 它看起来像只猫。二、单个人名、地名或称呼作主语①Han Mei looks like her mother. 韩梅看起来像她的母亲。②Beijing is in China. 北京在中国。③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。三、单数可数名词或"this / that / the+单数可数名词"作主语时①A horse is a useful animal. 马是有用的动物。②This book is yours. 这本书是你的。③That car is red. 那辆小汽车是红色的。④The cat is Lucy's. 这只猫是露茜的。四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时①Everyone is here. 大家到齐了。②There is something wrong with the watch. 这块手表有毛病。③This is a pen. 这是一支钢笔。④That is an eraser. 那是一块橡皮擦五、不可数名词作主语时为第三人称单数。①The milk is in the glass. 牛奶在玻璃杯里。②The bread is very small. 那面包很小。六、当数字或字母作主语时, 看作第三人称单数。①"6" is a lucky number. "6“ 是个吉利数字。②"A" is a letter. “A"是个字母。②Twenty-four hours is a long period of time. 24小时已经是很长一段时间了。七、特殊情况下视为整体的用法 有些名词虽然是复数,但是将其视为整体时,谓语动词也用第三人称单数形式。①Twenty million dollars is not enough for us. 两千万美元对我们来说还不够。第三人称单数动词一般情况 +srun-runs get-gets以s、x、ch、sh和o结尾 +espass-passes;fix-fixes;watch-watches;teach-teacheswash-washes;go-goes;do-does以辅音字母+y结尾变y为i +esstudy-studies;fly-flies特殊情况 不规则have-has第三人称单数动词变化规则:动词的第三人称单数形式playsasksfindsteachesthinkswasheslikesstudiesgoesdoeshasI ______ pears very much.2. They_______ their school.3. Helen ______ vegetables. 4. Jack and Cindy ______ bread.5. She ______hamburgers with chicken.6. My pet dog_______ meat.7.Bob’s brother ______carrots.用 like 或 likes填空。likelikelikeslikeslikeslikelikesI _______ three friends in England.2. They_______ a big room.3. Helen ______ two cats.4. Jack and Cindy _______ a son.5.Your friend______ a big apple.6. Your friends _______ some apples.7.Bob’s brother _______a nice watch.havehavehashavehashave用 have 或 has 填空。has 助动词:do does在有实意动词的句子中, 帮助构成疑问句 和否定句:助动词do/does提前: do not /does not I have a baseball. (否定句) I ______ have a baseball. (一般疑问句) ____ you ______ a baseball? (肯定回答) Yes, I _____. (否定回答) No, I ______. don’tdon’thaveDododoesn’tdoesn’thavedoeshaveDoesShe has a baseball. (否定句) She _____ ____ a baseball.(一般疑问句) ____ she _____ a baseball?(肯定回答) Yes, she ______. (否定回答) No, she ______.They eat bread.Helen eats chicken.My father plays soccer.I want to watch TV.She wants to have lunch.Eric goes to school.We think about food.Paul helps his classmates.改为否定句、一般疑问句并作回答Thanks !