Ate is the past tense of the verb 'eat'. Example sentence:
We ate many different samples of food at the garlic fair.
The lion ate the zebra carcasses.
"All the aborigines ate witchety grubs."
In the sentence, "You ate an apple." the noun is apple, a word for a thing.
Example sentence - He wanted dessert after he ate his dinner.
The anthropology was so boring I pooped in my pants and ate it
I ate a sandwich today
"He ate my cheeseburger"
I ate a scone.
There was bacteria on the loaf of bread he ate
The lion ate the zebra carcasses.
I ate the pretzel with melted cheese.
The dinosaur ate his prey slowly.
"The man ate in a ravenous manner." or... "The man ate ravenously."
"All the aborigines ate witchety grubs."
The dinner we just ate was very pleasing.
i selfishly took and ate her dark chocolate.
Bobby ate the raisin he found in the couch