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1、一般现在时、动词第三人称单数变化规则 1 一、概述一、概述 一般现在时的概念和用法： （1）表示现阶段经常、反复、习惯性的动作; （2）表示目前的状况； （3）表示自然界的客观真理。 二、一般现在时的结构二、一般现在时的结构 时态的结构指的是动词的变化形式。一般现在时间有两种结构，一种是动词原形，用于主语为非第 三人称时的情况；另一种为动词的第三人称单数形式，用于主语为第三人称时的情况。 Eg1. We often get up early in the morning. Eg2. My father often gets up early in the morning. 三、谈谈三、谈谈“主
2、语为三单，其后动词主语为三单，其后动词 s 添添” 在一般现在时中，当主语为第三人称单数时，谓语动词要用第三人称单数形式。可以简单叙述为 “主语为三单，其后动词 s 添”。何谓第三人称单数？用一句话概括就是“非你、非我、非复数”，如 he, she, it, my father, my mother, my sister, our English teacher, Tom, Mike, Liu Jia, China, my book, etc. Eg3.He sometimes goes to school by bike. Eg4.My father works in the hospita
3、l as a doctor. 4、一般现在时的肯定句中，主语为第三人称单数的动词变化主要体现在词尾的变化上，其规律为： （与名词变成复数的变法大致相同。（与名词变成复数的变法大致相同。 ） 规则规则原形原形第三人称单数形式第三人称单数形式 1、一般情况下，直接在动词词尾+s get take play gets takes plays 2、以 s, x, sh, ch, o 结尾的动词，在词 尾+ es guess fix finish teach go 和 do guesses fixes finishes teaches goes 和 does 3、以辅音字母+ y 结尾的动词，先把 y
4、变为 i，再加 es study try fly carry worry studies tries flies carries worries 4、不规则动词（特殊情况） have be has is 五、一般现在时的句子转换五、一般现在时的句子转换 （1）当句子中有 be 动词或情态动词时，则把 be 动词或情态动词(can,could 等等)提到主语的前面变 成一般疑问句;在 be 动词或情态动词后面加 not 变成否定句.例： 陈述句：She is a student. 一般现在时、动词第三人称单数变化规则 2 一般疑问句 Is she a student? 否定句 She is no
5、t a student. 陈述句：I can swim. 一般疑问句 Can you swim 否定句 I can not swim. （2）当句子中即没有 be 动词，也没有情态动词时，则在主语前加助动词 do (you,以及复数), does（单数 she,he,it）变成一般疑问句；在主语后谓语动词前加助动词 dont（I,you,以及复数), doesn t（单数 she,he,it）变成否定句，助动词后的动词要变成动词原形变成否定句，助动词后的动词要变成动词原形。例： 陈述句：We get up at 7:00 every morning. 一般疑问句Do you get up at
6、 7:00 every morning? 否定句We dont get up at 7:00 every morning. 陈述句：She has a little brother. 一般疑问句 Does she have a little brother? 否定句 She doesnt have a little brother. 哪些主语是第三人称单数？哪些主语是第三人称单数？ 1、人称代词 he, she, it； 如：He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It looks like a cat.
7、它看起来像只猫。 2、单个人名、地名或称呼作主语；是第三人称单数。如： Han Mei looks like her mother. 韩梅看起来像她的母亲。 Beijing is in China. 北京在中国。 Uncle Wang 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； A horse is a useful animal. 马是有用的动物。 This book is yours. 这本书是你的。 That car is red. 那辆小汽车是红色的。 The cat is
8、 Lucys. 只猫是露茜的。 4、不可数名词作主语时为第三人称单数不可数名词作主语时为第三人称单数。如： The milk is in the glass.牛奶在玻璃杯里。 The bread is very small. 那面包很小。 The water is very cold. 那些水很凉。 1、写出下列动词的第三人称单数。、写出下列动词的第三人称单数。 drink _ go _ stay _ make _ look _ have_ pass_ carry _ come_ watch_ plant_ fly _ study_ brush_ teach_ catch_ wash_do_
9、like_ say_ learn _eat_ read_ sing_ buy_ study_ come_plant(种植)_ 2、用括号内动词的适当形式填空。、用括号内动词的适当形式填空。 1. He often _(have) dinner at home. 一般现在时、动词第三人称单数变化规则 3 2. We _ (not watch) TV on Monday. 3. Nick _ (not go) to the zoo on Sunday. 4. _ they _ (like) the World Cup? 5. What _they often _ (do) on Saturdays
10、? 6. _ your parents _ (read) newspapers every day? 7. There _(be) some water in the bottle. 8. My aunt _(look) after her baby carefully. 9. The child often _(watch) TV in the evening. 10. Mikes sister _ (cook) nice food. I _ (like) eating it very much. 11. _ (do) your brother_ (watch) TV in the even
11、ing? No, he_ (not). 12. We often_(play) in the playground. 13. He _(get) up at six oclock. 14._you_(brush) your teeth every morning. 15. What_ (do) he usually_ (do) after school? 16.Danny_(study)English,Chinese,Maths,Science and Art at school. 17. Mike sometimes _(go) to the park with his sister. 18
12、. At eight at night, she often_(watch) TV with his parents. 19. _ Mike_(read) English every day? 20.How many lessons_your classmate_(have) on Monday? 21. What time_his mother_(do) the housework? 1.We _ ( go ) to school on foot every day . 2.They _( not have ) any lessons on Sundays . 3.She _ ( brush
13、 ) her teeth twice a day . 4.These students _ ( be not ) good at boating . 5.Wei Hua always _( carry ) water for his grandpa on Sundays . 6._Kate _( like ) making friends ? 7.The lazy boy _( not do ) his homework in the evening . 8.How many classes _you _( have ) every day? 9.Who _the baby _( look )
14、 like ? 10.He can _( teach ) us Enlgish well . 11. He often _(have) dinner at home. 12. Daniel and Tommy _(be) in Class One. 13. Nick _(not go) to the zoo on Sunday. 14. What _they often _(do) on Saturdays? 15. _ your parents _(read) newspapers every day? 16. The girl _(teach) us English on Sundays. 17. She and I _(take) a walk together every evening. 18. There _(be) some water in the bottle. 19. They _(hav
