The past tense is ate.
The present tense is:
The past participle is eaten.
The present participle for "eat" is "eating". The past participle is "eaten".
The present participle of the word "go" is "going."
The present participle for the word 'hit' is 'hitting'.
The present participle is setting.
The present participle is dragging.
The present participle is"taking".
the present prticiple of the word study is studying
The present participle of the word honk is honking.
Are is a present tense conjugation of be. The present participle of be is being.
The present participle is being. The past participle is been.
The present participle of "swell" is "swelling."
"Has eaten" is the present perfect tense. "Eaten" is the past participle of "eat".