Do or Does? Questions Sentence Test and Rule (Simple Present Tense)

Simple Present Tense (Questions Integroggative) Do Does Tests and Rules

Helping Verb - Do/Does

Singular Subject	Does
Plural Subject	Do

Affirmative Sentences

If subject is third person singular i.e. he/she/it/name

Subject + Verb 1st (s/es/ies) + object + other

Visit here for checking s/es/ies use

Subject + do/does + not + verb 1st + object + other

Third Person Singular Subject i.e. he/she/it/the boy/any name	Does not/doesn't
Plural Subject	Do not/don't

Rule

For Example

She does not write	'She' is third person singular (So subject + does not/doesn't)
They do not write	'They' is third person plural (So subject + do not/don't)
I do not run	'I' is first person singular (So subject + do not/don't)
The boy does not run	'The boy' is third person singular (So subject + does not/doesn't)

Do/Does + Subject + Verb 1st + Object + Other?

For Example

Does she write?	'She' is third person singular (does + subject?)
Do they write?	'They' is third person plural (do + subject?)
Do I run?	'I' is first person singular (do + subject?)
Does the boy run?	'The boy' is third person singular (does + subject?)

Do/Does + Subject + not + verb 1st + object + other

Does she not write?	'She' is third person singular (does + subject + not ?)
Do they not write?	'They' is third person plural (do + subject + not?)
Do I not run?	'I' is first person singular (do + subject + not?)
Does the boy not run?	'The boy' is third person singular (does + subject + not?)

Wh word + do/does + subject + not + verb 1st + object + other

Why Does she not write?	'She' is third person singular (Why + does + subject + not ?)
Where do you live?	'you' is second person plural/singular (Where + do + subject?)
What does he write?	'he' is third person singular (What + does + subject?)
Whom does he like?	'he' is third person singular (Whom + does + subject?)