动词的各种变化方法

(共8张PPT)
teach job make worker cup ship bike drive bus farm cook sing
shoe dinner vegetable sound fruit football get right have
twelfth read nineteen play every plant bird tree clothes water
tall do short cold crowded fly
worried good look dark write sad
do --- doing ---- does ---- did
动词原形
现在进行时
一般现在时
（第三人称单数）
一般过去式
现在进行时
直接+ ing.
双写最后一个字母+ ing .
以不发音 e结尾的，去e +ing.
一般现在时
（第三人称单数）
直接+s
以o＼ s＼ x＼ sh＼ ch＼结尾的 +es
辅音+y结尾的，改　y为 i+ es
一般过去式
直接+ ed
双写最后一个字母+ed
辅音+y 结尾的，改 y 为 i + ed
不规则变化．
　sing -- water-- play—
skip -- swim -- get –
drive-- make-- see--
sing -- water -- walk—
skip-- go -- do –
drive-- make -- fly --
study-- try-- play—
enjoy-- wish-- wash—
watch-- see-- swim--
call watch wash
ask move agree
enjoy play try
study go say
make get sit
leave bite catch
see come become
eat feel swim