英语一般现在时构成 1. be动词：主语+be(am,is,are)+其它。例如：I am a boy.我是一个男孩。2. 行为动词：主语+行为动词(+其它)。例如：We study English.我们学习英语。当主语为第三人称单数(he, she,it)时，要在动词后加"-s"或"-es"。如：Mary likes Chinese.玛丽喜欢汉语。注意：一般现在时经常和频率副词连用。句型01 be动词的变化否定句：主语+ be + not +其它。例如：He is not a worker.他不是工人。一般疑问句：Be +主语+其它。例如：-Are you a student? -Yes. I am. / No, I m not.特殊疑问句：疑问词+一般疑问句。例如：Where is my bike?02 行为动词的变化否定句：主语+ don t( doesn t ) +动词原形(+其它)。例如：I don t like bread.当主语为第三人称单数时，要用doesn t构成否定句。例如：He doesn t often play.一般疑问句：Do( Does ) +主语+动词原形+其它。例如：- Do you often play football?- Yes, I do. / No, I don t.当主语为第三人称单数时，要用does构成一般疑问句。例如：- Does she go to work by bike?- Yes, she does. / No, she doesn t.特殊疑问句：疑问词+一般疑问句。例如：How does your father go to work?动词第三人称单数形式构成规则 动词原形变第三人称单数的规则与发音规律同名词单数变复数大致相同，请认真观察。 1.大多数动词在词尾加“S”在清辅音后发音为[s]，在浊辅音及元音后发音为 [z]。 例如：① stop－stops [s] make－makes [s]② read－reads [z] play－plays [z] 2. 以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读[iz] 例如：fly－flies [z] carry－carries [z]study－studies [z] worry－worries3.以“s, x, ch, sh”结尾的，在词尾加“es”，发音为[iz] 例如：teach－teaches [iz]watch－watches [iz]4. 以“o”结尾的动词，加“es”，读[z]例如：go－goes [z] do－does [z]下面几个动词变为单数时，原词的元音部分的发音发生了较大的变化，请注意记忆。 例如：1）do [du:]－does [dz] 2）say [sei]－says [sez]以不发音字母“e”结尾的开音节词，如果尾音是[s]，[z]时，加“s”后字母“e” 发音， 与所加“s”一起读做[iz]。如：close－closes [iz]be动词包括：am， is， are。第三人称单数用 is；过去式为 was；复数are，过去式为were.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。提升练习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________ do_________ teach_______用括号内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 _______(not watch) TV on Monday.4. Nick _______(not go) to the zoo on Sunday.5. ______ they ________(like) the World Cup?6. What _______they often _______(do) on Saturdays?7. _______ your parents _______(read) newspapers every day?8. The girl _______(teach) us English on Sundays.9. She and I ________(take) a walk together every evening.10. There ________(be) some water in the bottle.参考答案：写出下列动词的第三人称单数 drinks goes stays makes looks has passes carries comes watches plants flies studies brushes does teaches用括号内动词的适当形式填空 has are don t watch doesn t go Do like do do Do read teaches take is
夜雨聆风
