常见的不规则动词有：
am/is—was are—were become—became begin—began
bring—brought catch—caught come—came do—did
eat—ate feel—felt find—found get—got give—gave
go—went grow—grew have/has—had hear—heard know—knew
make—made put—put run—ran say—said see—saw
sit—sat stand—stood take—took teach—taught
tell—told write—wrote