写出下列动词的三种形式：do--does---doing---did
2个回答
climb --( climbs )--(climbing )---( climbed )
ride --( rides )--( riding )---( rode )
learn --( learns )--( rearning )---( learned )
study --( studies )---( studying )--( studied )
laugh --( laughs)--(laughing ))--( laughed )
read --( reads )--( reading )---( read )
cook --( cooks )--( cooking )---( cooked )
send --( sends )--( sending )---(sent )
work --( works )--( working )---( worked )
have --( has )--( having )---( had )
tell --( tells )--( telling )---( told )
buy --( buys )--( buying )---( baught )
see --( sees )--( seeing )---(saw )
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