Everybody ate sufficiently.
I've eaten.
I ate enough.
We ate several, but a good few were left.
I was eating some strawberries.
I went out to get something to eat.
We have run short of food.
After that I ate some grapes.
I ate nagashi soumen.
That hit the spot.
That was hard for eating.
The food has gone cold.
I have eaten soba before.
We ate something in advance.
I wanted something to eat.