1、动词第三人称单数形式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，其规律大体有三点：1. 一般情况下，直接在动词词尾+s ，例如：getgets; taketakes2. 以 s, sh, ch, x, o 结尾的动词，在词尾+ es，例如： teach teaches; fixfixes; gogoes3. 以辅音字母 + y 结尾的动词，变 y 为 i，再+ es，如：study studies; trytries除上述规律外，还应注意下面三点：1. 动词 have ，遇到主语是第三人称单数时，要用 has； 动词 be 的第三人称单数形式是 is。2. 含有动
2、词第三人称单数形式的句子变否定句时，要用 doesnt + 动词原形，如：He goes to school at six in the morning. (变否定句) He doesnt go to school at six in the morning.3. 对含有动词第三人称单数形式的句子提问时，要用助动词 does，如：She goes home at five every day. (对划线部分提问 ) When / What time does she go home every day?综上所述，只要我们洞悉了英语动词第三人称单数形式的变化规则，在一般现在时的句子中，我们都能从
3、容应对，客随主“变”了。be 动词包括：am， is， are。第三人称单数用 is； 过去式为 was；复数用are，过去式为 were. 【一般现在时中的动词第三人称单数形式】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，现归纳总结如下：一、人称代词 he, she, it 是第三人称单数。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. 它看起来像只猫。二、单个
4、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。三、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：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 Lucys. 这只猫是露茜的。四、不定
5、代词 someone, somebody, nobody, everything, something 等及指示代词 this,that 作主语时，是第三人称单数。如：Everyone is here. 大家到齐了。There is something wrong with the watch. 这块手表有毛病。This is a pen. 这是一支钢笔。That 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。如：The milk is in the glass. 牛奶在玻璃杯里。The bread is very small. 那面包很小。动词第三人称单数
6、形式的练习写出下列动词的第三人称单数。meet _ go _ bring _ make _ look _have_ pass_ take _ come_ watch_plant_ fly _ study_ need_ teach_用括号内动词的适当形式填空。1.He often _(have) dinner at home.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
7、?6._ your parents _(read) newspapers every day?7.The girl _(teach) us English on Sundays.8.She and I _(take) a walk together every evening.9.There _(be) some water in the bottle.10.Mike _(like) cooking.11.They _(have) the same hobby.12.My aunt _(look) after her baby carefully.13.You always _(do) you
8、r homework well.14.I _(be) ill. Im staying in bed.15.She _(go) to school from Monday to Friday.16.Liu Tao _(do) not like PE.17.The child often _(watch) TV in the evening.18.Su Hai and Su Yang _(have) eight lessons this term.19. He_ TV every evening. (watch)20.John _ like his father. (look)句型转换1. I g
9、o to school by bus. (用 He 做主语)_2. Kim plays baseball very well. (变一般疑问句)_3. She plays sports every day. (变否定句)_4. David doesnt like French. （变肯定句）_5.They like watches. (变否定句)_6.Alan doesnt watch TV on school nights. （变肯定句）_7. We have time to do it. (变否定句)_8.John has a car. （对划线部分提问） _ _ 9. Do you have a pencil? (把主语改成 she) _10.Sonia Hall likes hamburgers .(划线部分提问)
