六年级英语下册 不规则动词过去式变化
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简介
1.am,is--was是 2.are–were 是 3.do/does–did做，干 4.can-could能 5.will–would将要 6.shall–should应该 7.catch–caught捉，抓，追 8.teach-taught教 9.think–thought想,认为 10.buy–bought买 11.bring-brought带来 12.drink-drank喝 13.swim-swam游泳 14.begin-began开始 15.sit-sat坐
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