Present tense
(+) Doni eats bread everyday
(-) Doni doesn't eat bread everyday
(?) Does Doni eat bread everyday?
yes,he does    no,he doesn't

past tense
(+) Rina went to school just now
(-) Rina didn't go to school just now
(?) did Rina go to school just now?
yes,she did  no, she didn't
Present tense = she reads a book
past tense = you ate noodle yesterday