Under the lettuce was my tomato. what is the complete subject and what is the simple subject?

Iback to my office after i saw the rain.

Adebate on free education must be included in the private school

You're playing the slots and "win" twenty-five bucks! you're stoked. during the past ten weeks, you've won another fifty bucks. but you've dropped two bucks in the slot machines every day for ten weeks