TENSES

PRESENT INDEFINITE TENSE:
RULES:
SUBJECT+VERB+S OR ES+OBJECT

if subject is plural or "I or YOU" than we don't use "s or es" with verb...
THREE FORMS:
Affirmative:
RULE:
SUBJECT+VERB+S OR ES+OBJECT
EXAMPLE:

1. The peon rings the bell.(singular subject)
2. They play cricket.(plural subject)

Negative:
RULE:
SUBJECT+DOES NOT OR DO NOT+VERB+OBJECT
we use does not with "singular subject" and do not with " plural subject"
EXAMPLE:

1. The peon does not ring the bell.(singular subject)
2. They do not play cricket.(plural subject)

Interrogative:
RULE:
DOES OR DO +SUBJECT+VERB+OBJECT?
we use does with "singular subject" and do  with " plural subject"
EXAMPLE:

1. Does the peon rings the bell?(singular subject)
2. Do they play cricket?(plural subject)