写出下列动词的过去式和过去分词 ask worry come be find swim write

askd. worried. came. were was. found

asked asked
worried worried
came come
was been
found found
swam swum
wrote written
began begun
ran run
brought brought
felt felt
drew drawn
knew known
put put
let let
heard heard

Asked asked worried worried came come was/were been found found swam swum wrote written began begun ran run brought brought bought bought felt felt drew drawn knew known put put let let heard heard

be —was—been追答

ask—asked—asked

come—came—come

put—put—put

hear—heard—heard

find—found—found

let—let—let

run—ran——run

buy—bought—bought

bring—brought—brought

begin—began—begun

draw—drew—drawn

swim swam. swum