第 1 页 共 We study 。
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 。
一般现在时的改变
1. be动词的改变。
否定句:主语+ be + not +其它。
如:He is not a 。
一般疑问句:Be +主语+其它。
如:-Are you a student?
-Yes. I am. / No, Im not.
特别疑问句:疑问词+一般疑问句。如:Where is my bike?
。
否定句:主语+ dont( doesnt ) +动词原形(+其它)。如:
I dont like bread.
当主语为第三人称单数时,要用doesnt构成否定句。如:
He doesnt 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 dont.
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 doesnt.
特别疑问句:疑问词+一般疑问句。如:How does your father go to work?
动词+s的改变规则
,干脆加-s,如:cook-cooks, milk-milks
. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes
+y结尾,变y为i, 再加-es,如:study-studies
一般现在时用法专练:
一、 写出下列动词的第三人称单数
drink ________ go _______ stay ________ make ________
look _________ have_______ pass_____
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