1. begin began drink drank ring rangsing sang swimswam sit sat run ran come came give gave2. draw drew fly flew grow grew throw threw knowknew （注意：show showed, glow glowed）3. ride rode write wrote drive drove tell told speak spoke get got4. spendspent mean meant meet metkeep kept sleep slept sweep sweptfeel felt5. cut cut put put let let read read 6. buy bought think thought catch caughtteach taught7. can could will would shall should8. havehad eatate make made hear heard find found 9. see saw say said do did go went taketook 10. am, is was are were