fly的过去式是flied还是flew?

fly的过去式是flied还是flew? fly kites过去式是flied kites还是flew kites为什么? The butterfly______onto the beautiful flower.A.fly B.flied C.flew选择哪个c是fly的过去式呀！ my boss flied to america last week.这句话中的flied原形是fly,为什么不是用它的过去式flew而是直接加ed fly的过去式flied的发音是什么? fly的过去式有flied嘛? fly的过去式是什么,为什么不是flied 为什么有些动词有两个个过去式和过去分词?如fly:flew和flied.两者的区别?造个句 mike (see)some butterflies (fly) in the flowers this morningsee 应该 填 sow this morning 是过去式吗,fly 应该填 flied fly的过去式怎么写为什么是flying 请问:I took a train there rather than fly there 还是 ……为什么?请问:I took a train there rather than fly there 还是I I took a train there rather than flied there?哪个是对的?为什么? 写出英语单词中所有常见的不规则动词过去式?并且告诉本人是怎么变化的?如：fly - flew 是怎么变的? 汉译英：我们的航班因雾而耽搁了提示词:hold up....fly的过去式应该是flew吧 fly的过去分词和过去式是? fly的过去式, cannot fly 的过去式? fly的过去式 fly的过去式是什么? fly 的过去式