Structure of the times

Tenses	afirmative	negative	interogative	short positive	negative
Simple present	i eat an apple	i don't eat an apple	do i eat an apple?	yes i do	no i do not
Simple past	i ate an apple	i didn't eat an apple	did i eat an apple?	yes i did	no, i did not
Present progresive	i am eating an apple	i am not eat an apple	am i eating an apple?	yes, i am	no, i am not
Past progresive	i was eating an apple	i was not eating an apple	was i eating an apple?	yes, i was	no, i was not
future will	i will eat an apple	i won't eating an apple	will i eat an apple?	yes, i wiil	no, i won't
Future be going to	i am going to eat an apple	i am not going to eat an apple	am i going to eat an apple?	yes, i'm going to	no, i'm not going to
present perfect	i have eat an apple	i have not eat an apple	Have i eat an apple	yes, i have	no, i have not
Past perfect	i had eat an apple	i has not eat an apple	has i eat an apple	yes, i had	no, i has not