The past of "TO SIT"
Sat (I sat in front of the teacher yesterday)
The past of "TO LOSE" (give an example)
Lost (I lost my keys)
The past participle of "TO EAT"
Eaten
The past of "TO WRITE" (give an example)
Wrote (I wrote everything that was on the board)
The past of "TO THINK" (give an example)
Thought (I thought we would win)