人称代词第三人称第二人称第一人称Iyou he, she ,it ,they,人名某种称呼在一般现在时中,当主语是第三人称时,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。Grandma(外祖母) gives a present.Sam(山姆) has lunch.He(他) watches TV.1.一般情况下,直接在动词后+s , collect collects like likes come comes play plays read reads tell tells think thinks cook cooks2.以s, sh, ch, x, o 结尾的动词,在词尾+ eswatch watches teach teachesguess guesseswash washes fix fixesgo goes以辅音字母+ y 结尾的动词,变y 为i,再+ esstudy studiesfly fliesstory stories不规则变化动词have has do does怎样变一般疑问句?I like football.Do you like footbal