am/is—was           are—were            do—did

have/has—had        go—went             come—came

eat—ate             drink—drank         sing—sang

sit—sat             see—saw             say—said

make—made           write—wrote         run—ran

fly—flew            feel—felt           get—got

forget—forgot       give—gave           take—took

tell—told           sweep—swept          sleep—slept

buy—bought          ride—rode            read—read

swim—swam           draw—drew            speak—spoke

catch—cought