动词的单三形式

动词第三人称单数的变化规则及练习动词第三人称单数的变化规则及练习 一 一 变化规则变化规则 1 直接在动词后 直接在动词后 s 例如 例如 like likes play plays 2 以 以 s x sh ch 接尾的动词 接尾的动词 es 例如 例如 wash washes 3 以辅音 以辅音 o 接尾的动词 接尾的动词 es 例如 例如 go goes 4 以辅音 以辅音 y 接尾的动词 变接尾的动词 变 y 为为 i es 例如 例如 fly flies 动词短语 s Plays skips sings gives starts likes buys some toys gets up comes back home makes noodles eats lunch drinks coffee begins his class practises the piano es watches TV brushes his teeth goes to bed goes to school does my homework does some reading y i es fly flies study studies 注意 注意 不规则变化 have has be is do does 一 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 二 请看下面两组句子 注意区分他们的共同点和不同点 I go to school every day I don t go to school every day He goes to school every day He doesn t go to school every day Do you go to school every day Yes I do No I don t Does he go to school every day Yes he does No he doesn t 注 注 1 第三人称单数用了 does 后面就不用动词的 s 形式了 而用动词原形 2 变为疑问句 要在句首加 do does 变为否定句 要在动词前面加 do not does not 可以简写为 don t doesn t 课堂练习一课堂练习一 一 把下列句子改成一般疑问句并做肯定 否定回答 1 I usually get up at six o clock Do you usually get up at six Yes I do No I don t 2 We usually write e mails on Saturday evening Yes No 3 They have the same hobby Yes No 4 Suhai and Su yang like listening to music after school Yes No 5 Helen usually watches TV in the evening Yes No 二 否定句 在动词前 doesn t 或 don t 1 She do her homework every day 2 He live in Huanggang 3 The girl look out of the window and sees many birds in the sky 4 Jenny runs home and sit on the chair 三 一般疑问句 1 the desk have four legs Yes it does 2 she do her homework every day Yes she does 3 he live in Huanggang No he doesn t 4 Does Danny see the apple tree 四 用所给动词的适当形式填空 1 He TV every evening watch 2 We always to school on foot go 3 Tom with his classmates often football after school play 4 Tom and his classmates often football after school play 5 Your shoes under the bed be 6 His