1. Simple Present Tense
This tenses are used to denote something that is fixed, habitual or an essential truth. Because it is often related to the incident at about past, present and future, this at least has the Tenses description for a certain time.
FORM:
(+) Subject (s) + Verb1 + Object (o)
ex: She ate the rice
(-) S+do/does not+Verb1+O
ex: She doesn’t eat the rice
(?) Do/Does + S + Verb1 + O
ex: Does she it the rice?
I, You, They, We use do when it come to negative and question sentence. While He, She, It use does.