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