Present Simple:

Afirmativa:

Os verbos conjugam-se á semelhança do infinito.

I run 10 km.

Exceção:

He

She infinito+S

It

She runs 10 km.

He goes to school.

He studies for the test.

We watches Tv.

Negativa:

Do

           + Not + Infinitive

Does

I don't like chocolates.

Mary doesn't like chocolates.

Interrogative:

Do

          + Subject + Infinitive + ?

Does

Do you like chocolates?

Does Paul like chocolates?

Present Continuous:

Afirmativa:

Subject + verb to be + infinitive + ing

Mary is going to school.

I am watching Tv.

Negativa:

Subject + verb to be + negative + infinitive + ing

Mary isn't going to school.

I am not watching Tv. 

Interrogativa:

Verb to be + subject + infinitive + ing + ?

Is Mary going to school?

Am I watching Tv?