Когда пишется Do а когда Does

Истинное простое время формируется в утвердительной форме прибавлением окончание -s /-es в 3-ем лице единственного числа к глаголу. Do и Does - это вспомогательные глаголы этого медли для формирования вопросительных и отрицательных предложений.

I do

You do

He does

She does

It does

We do

You do

They do

I do my homework

He does his homework.

She does her duties.

We dont do out.

They do their tasks.

Do I play?

Do you play?

Does he play?

Does she play?

Does it play?

Do we play?

Do you play?

Do they play?

I do not go.

You do not go.

He does not go.

She does not go.

It does not go.

We do not go.

You do not go.

They do not go.