小学英语知识点——一般现在时的变化


来源:义乌培优家教中心 日期:2017-3-1
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1.        be动词的变化。




否定句:主语be not 其它。如:




He is not a worker.他不是工人。




一般疑问句:Be 主语其它。如:




-Are you a student?




-Yes. I am. / No, I'm not. 







非凡疑问句:疑问词一般疑问句。如:




Where is my bike?




2.行为动词的变化。




否定句:主语don't( doesn't ) 动词原形( 其它)。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。如:




He doesn't often play. 




一般疑问句:Do( Does ) 主语 动词原形 其它。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。如:




 - Does she go to work by bike?




- Yes, she does. / No, she doesn't.




2.行为动词的变化。




否定句:主语 don't( doesn't )  动词原形( 其它)。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。如:




 He doesn't often play. 




一般疑问句:Do( Does )  主语 动词原形




其它。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。如:




- Does she go to work by bike?




- Yes, she does. / No, she doesn't.




动词s的变化规则




1.一般情况下,直接加-s,如:




cook-cooks, milk-milks 




2.以s. x. sh. ch. o结尾,加-es,如:




guess-guesses, wash-washes, watch-watches, go-goes




3.以“辅音字母y”结尾,变y为i, 再加-es,如:

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