Conjugación del verbo inglés
CAN OPEN

Verbo regular: open - opened - opened

Afirmación

Forma simple	Forma con V-ing
I can open you can open she can open we can open you can open they can open	I can be opening you can be opening she can be opening we can be opening you can be opening they can be opening
Perfecto	Perfecto con V-ing
I can have opened you can have opened she can have opened we can have opened you can have opened they can have opened	I can have been opening you can have been opening she can have been opening we can have been opening you can have been opening they can have been opening

Negación

Forma simple	Forma con V-ing
I can't open you can't open she can't open we can't open you can't open they can't open	I can't be opening you can't be opening she can't be opening we can't be opening you can't be opening they can't be opening
Perfecto	Perfecto con V-ing
I can't have opened you can't have opened she can't have opened we can't have opened you can't have opened they can't have opened	I can't have been opening you can't have been opening she can't have been opening we can't have been opening you can't have been opening they can't have been opening

Forma interrogativa

Forma simple	Forma con V-ing
can I open? can you open? can she open? can we open? can you open? can they open?	can I be opening? can you be opening? can she be opening? can we be opening? can you be opening? can they be opening?
Perfecto	Perfecto con V-ing
can I have opened? can you have opened? can she have opened? can we have opened? can you have opened? can they have opened?	can I have been opening? can you have been opening? can she have been opening? can we have been opening? can you have been opening? can they have been opening?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I open? can't you open? can't she open? can't we open? can't you open? can't they open?	can't I be opening? can't you be opening? can't she be opening? can't we be opening? can't you be opening? can't they be opening?
Perfecto	Perfecto con V-ing
can't I have opened? can't you have opened? can't she have opened? can't we have opened? can't you have opened? can't they have opened?	can't I have been opening? can't you have been opening? can't she have been opening? can't we have been opening? can't you have been opening? can't they have been opening?