Present progresive

 Afirmative.

Singular: I +am+verb ing/You+are+verb ing/He+is+verb ing/She+is+verb ing/It+is+verb                     ing

Plural: We+are+verb ing/You+are+verb ing/They+are+verb ing

Negative.

Singular: I am not+verb ing/ You are not+verb ing/ He is not+verb ing/ She is not+verb                         ing/It is not+verb ing/ 

               You aren´t+verb ing/He isn´t+verb ing/She isn´t+verb ing/It isn´t+verb ing

Plural: We are not+verb ing/You are not+verb ing/They are not+verb ing

           We aren´t+verb ing/You aren´t+verb ing/They aren´t+verb ing

Interrogative.

Singular: Am Is+verb ing/Are You+veb ing/Is He+veb ing/Is She+veb ing/Is It+veb ing

Plural: Are We+veb ing/Are You+veb ing/Are They+veb ing

Use.

It is used to express an action in progress, in progression or unfiniched