动词第三人称单数的变化规则及练习 一、 使用情况： 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。(标志词usually often always sometimes never every等) 二、变化规则 1、直接在动词后+s 例如： like- likes play-plays 2、以s, x , sh, ch, 接尾的动词：+es 例如： wash-washes 3、以辅音+o 接尾的动词：+es 例如： go-goes 4、以辅音字母+y 接尾的动词：变y 为i+es 例如： fly-flies 以元音字母+y 接尾的动词后+s 例如：play-plays 5、除上述规律外，还应注意下面三点： 1) 动词 hav e ，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）含有动词第三人称单数形式的句子变否定句时，要用 doesn't + 动词原形，如： He goes to school at six in the morning. (变否定句)→ He doesn't 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 注意：不规则变化：have-----has，be-------is，do-----does I 写出下列动词的第三人称单数(-s)和现在分词(-ing) go do play jump swim run put sing dance come get have fly study read write look drink eat walk like II 选择 1. Ben_____a new book. A. have B. has C. haves D. were 2. Ben and Mary some books. A. have B. has C. are D. were 3. I some stories every day. A. have B. has C. are D. were 4.I __________ ice cream. A.like B.likes C.liking D.likees 5. Kitty__ English every day A.read B.reades C.reading D.reads 6.A man _____in front of his car. A.walk B.walks C.walking D.work 7.Sam’s bicycle ______a bell. A.have B has C.having D.is having 8.I every day A.swim B.swims C.swiming D.swimes 9.He his homework every day. A.does B.do C.are D.is 10. I ________ my homework every day. A.do B.is C.does D.are 11.They ________ their homework every day. A. do B.does C. is D.a...
