写出下列动词的过去式和过去分词 1.burn 2.learn 3.mean 4.catch 5.写出下列动词的过去式和过去分词 1.burn 2.learn 3.mean 4.catch 5.teach 6.bring 7.fight 8.buy 9.think 10.hear 11.sell 12.tell 13.say 14.find 15.have/has 16.make 17.stand 18.understand
问题描述：
写出下列动词的过去式和过去分词 1.burn 2.learn 3.mean 4.catch 5.
写出下列动词的过去式和过去分词 1.burn 2.learn 3.mean 4.catch 5.teach 6.bring 7.fight 8.buy 9.think 10.hear 11.sell 12.tell 13.say 14.find 15.have/has 16.make 17.stand 18.understand
答
burnt learnt meat caught taught brought fought bought thought heard sold told said fought had made stood understood