To eat in the active voice using the present past tense

I hope this helps, I may have mis-read the question

Present Forms below
I eat. . . you eat ... we eat ... she/he/it eats ... they eat. . . you eat. . . Other wise you can use. "have eaten" after each noun (I, you, she ect)Past Forms belowI ate. . . you ate... we ate... she/he/it ate... they ate. . . you ate. . . 
Other wise you can use. "had eaten" after each noun (I, you, she ect)