The past form of "eat" is
ate
The past form of "bring" is
brought
The past form of "drink" is
drank
The past form of "come" is
came
The past form of "buy" is
bought
The past form of "grow" is
grew
The past form of "fly" is
flew
The past form of "drive" is
drove
The past form of "run" is
ran
The past form of "swim" is
swam
The past form of "see" is
saw
The past form of "sleep" is
slept
The past form of "sit" is
sat
The past form of "know" is
knew
The past form of "hear" is
heard
The past form of "take" is
took
