The Basics: Present Tenses:

There are two present tenses: The present simple and the present continuous. The two tenses are quite different. Generally, the present simple is used to refer to everyday habits that you have.

Use the present simple to talk about activities or routines which take place on a regular basis.

Ram goes School by bus every day.
Sita usually gets home at six in the evening.

The present continuous is usually used to refer to events happening at the present moment in time.

They are doing their homework at the moment.
Rani is playing carrom with Raja at the club right now.

Present Simple Structure:

Positive

Subject + Verb + Objects

I, You, We, They -> study early in the morning.

Subject + Verb + s + Objects

He, She, It -> plays well in any situation.

Negative

S + do not (don't) + Verb + Objects

I, You, We, They -> don't like lie.

S + does not (doesn't) + Verb + Objects

He, She, It -> doesn't belong to the club.

Questions

(Why, What, etc.) + do + S + Verb + Objects?

Do -> I, you, we, they -> work in this town?

(Why, What, etc.) + does + S + Verb + Objects?

Does -> he, she, it -> live in this village?

Present Continuous Structure:

Positive

Subject + conjugate the helping verb "be" + verb + -ing.

I'm, You're, He's, She's, We're, You're, They're -> working today.

Negative

Subject + conjugate the helping verb "be" + not + verb + -ing.

I'm not, You aren't, He isn't, She isn't, We aren't, You aren't, They aren't -> going this night.

Questions

Question word + conjugate the helping verb 'be' + subject + verb + -ing

What -> are you, they -> doing this morning?
What -> is he, she -> doing this evening?