动词三单式怎么变,规则是什么？

动词三单式怎么变,规则是什么？

动词第三人称单数的变化规则

1、直接在动词后+s
like- likes play-plays

2、以s, x, sh, ch, 接尾的动词：+es
wash-washes

3、以辅音+o接尾的动词：+es
go-goes

4、以辅音+y接尾的动词：变y为i+es
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

不规则变化：have-----has

1 在动词尾直接加 s。如：  want—wants， work—works，   2  以字母s、x、ch或o结尾的动词加-es；如： guess—guesses， fix—fixes， teach—teaches， go—goes catch—catches 3  以辅音字母＋y结尾的动词，先变y为i，再加-es。如： study—studies，