HAVE eaten is correct where as HAD eaten is not.
To have 'eaten' is the past participle of the verb to eat. Eaten needs the auxiliary verb to have.Have you eaten? Yes, I have eaten.
For plural subjects use have. egWe have eaten the cake. The policemen have eaten the cake. Have they eaten the cake?For singular subjects use has. egShe has eaten the cake. The policeman has eaten the cake. Has she eaten the cake?
In the eater-eaten relationship, the eater is the one doing the eating, while the eaten is the one being consumed or eaten.
Yes they can be eaten.
They get eaten by a duck
No, papyrus can not be eaten
Seagulls start doing a dance.
algea is eaten by mythical creatures that haunt you in the night. They are also eaten by that yellow monkey fish standing next to you.Ya HAPPY?algea is eaten by fish which are eaten by dolphins which are also eaten by great white sharks
If something can be eaten, it is called edible. Producers (plants) are eaten by animals called herbivores. The herbivores are eaten by carnivores.
"Have you eaten?" is just fine.
Cows are eaten by humans.