动词过去式变化大全

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写出下列动词的过去时：am是amwas

写出下列动词的过去时：is是iswas

写出下列动词的过去时：are是arewere

写出下列动词的过去时：become变成becomebecame

写出下列动词的过去时：begin开始beginbegan

写出下列动词的过去时：bite咬bitebit

写出下列动词的过去时：blow吹blowblew

写出下列动词的过去时：bring带来bringbrought

写出下列动词的过去时：build建造buildbuilt

写出下列动词的过去时：buy买buybought

写出下列动词的过去时：can能ca