PRESENT TENSES (Tiempo presente)

                       PRESENT SIMPLE

                        (Tiempo presente)

PRESENT PERFECT (Presente perfecto)

I have bought a new dress.	Yo he comprado un nuevo vestido.
You have studied the lesson.	Tú has estudiado la lección.
He has broken the window.	Él ha roto la ventana.
She has lost the keys.	Ella ha perdido las llaves.

I have not bought a new dress.	Yo no he comprado un nuevo vestido.
You have not studied the lesson.	Tú no has estudiado la lección.
He has not broken the window.	Él no ha roto la ventana.
She has not lost the keys.	Ella no ha perdido la llave.

Have I bought a new dress?	He comprado un nuevo vestido?
Have you studied the lesson?	Has estudiado la lección?
Has he broken the window?	Ha roto él la ventana?
Has she lost the keys?	Ha perdido ella las llaves?

PRESENT PERFECT PROGRESSIVE (Presente perfecto progresivo)

Affirmativo	Negativo	Interrogativo
I have been eating	I haven’t been eating	Have I been eating?
You have been eating	You haven’t been eating	Have you been eating?
He, she, it has been eating	He hasn’t been eating	Has she been eating?
We have been eating	We haven’t been eating	Have we been eating?
You have been eating	You haven’t been eating	Have you been eating?
They have been eating	They haven’t been eating	Have they been eating?