一般现在时(实意动词)-1.ppt

一.第三人称单数形式的词尾变化. 在一般现在时中, 当主语是第三人称单数形式时,行为动词用第三人称单数形式,即加-s 或 –es. 具体方法如下: 一般情况下,直接加 -s.如: work---works play---plays rain---rains see---sees 2. 以 sh,ch,s,x或o结尾的词后加-es.如: wash---washes teach---teaches fix---fixes do---does go---goes 3.以辅音字母加-y结尾的, 先把y变成i,再加 -es.如: study---studies fly---flies carry---carries 思考： 什么时候用动词的原型？ 什么时候用动词的三单形式？ 观察下列图片，并得出结论。 二. 哪些主语是第三人称单数 1.人称代词he, she, it是第三人称单数. 1).He likes watching TV. 他喜欢看电视. 2).She has lunch at twelve. 他十二点吃午餐. 3). It looks like a cat. 它看起来象只猫. 2. 单个人名.地名或称呼作主语时,是第三人称单数形式.如: 1).Han Mei watches TV with her mother.韩梅和她的母亲看电视. 2).Beijing is in China. 北京在中国. 3). Miss Wu often makes cakes.王叔叔经常做蛋糕. 3.单数可数名词或 “this/that/the + 单数可数名词” 作主语时,是第三人称单数. 如: 1).This girl plays football in school. 2).This book is yours. 3).That car is red. 4).The cat is Lucy’s. 5. 不可数名词作主语时,为第三人称单数.如: 1).The milk is in the glass.牛奶在玻璃杯里. 2).The bread is very small. 那块面包很小. 6. 当数字或字母做主语时,看做第三人称单数.如: 1).“6” is a lucky number. “6”是个吉利数字. 2).“I” is a letter. “ I”是个字母. 专项习题精练(着眼高分 查漏补缺) 用括号中所给动词的适当形式填空 1. He often ________(have) dinner at home. 2. Daniel and Tommy _______(be) in Class One. 3. We _______( watch) TV on Monday. 4. Nick _______( go) to the zoo on Sunday. 5. Mike _______(like) cooking. 6. They _______(have) the same hobby. 7. My aunt _______(look) after her baby carefully. 8. You always _______(do) your homework well. 9. I _______(be) ill. I’m staying in bed. 10. She _______(go) to school from Monday to Friday. 11. Danny ____________ (study) English, Chinese, math, science and art at school. 12. Mike sometimes __________ (go) to the park with his sister. 13. My father always __________(come) back(回来) from work very late. 14. The teacher is busy. He __________ (sleep睡觉) six hours a day. 15. Joan __________(sing唱歌) in the classroom every day. She often __________ (sing) there. 怎么改一般疑问句： 一找be动和情态，二找主语你、我、他， 找