Conjugación del verbo inglés
CAN RETRACT

Verbo regular: retract - retracted - retracted

Afirmación

Forma simple	Forma con V-ing
I can retract you can retract he can retract we can retract you can retract they can retract	I can be retracting you can be retracting he can be retracting we can be retracting you can be retracting they can be retracting
Perfecto	Perfecto con V-ing
I can have retracted you can have retracted he can have retracted we can have retracted you can have retracted they can have retracted	I can have been retracting you can have been retracting he can have been retracting we can have been retracting you can have been retracting they can have been retracting

Negación

Forma simple	Forma con V-ing
I can't retract you can't retract he can't retract we can't retract you can't retract they can't retract	I can't be retracting you can't be retracting he can't be retracting we can't be retracting you can't be retracting they can't be retracting
Perfecto	Perfecto con V-ing
I can't have retracted you can't have retracted he can't have retracted we can't have retracted you can't have retracted they can't have retracted	I can't have been retracting you can't have been retracting he can't have been retracting we can't have been retracting you can't have been retracting they can't have been retracting

Forma interrogativa

Forma simple	Forma con V-ing
can I retract? can you retract? can he retract? can we retract? can you retract? can they retract?	can I be retracting? can you be retracting? can he be retracting? can we be retracting? can you be retracting? can they be retracting?
Perfecto	Perfecto con V-ing
can I have retracted? can you have retracted? can he have retracted? can we have retracted? can you have retracted? can they have retracted?	can I have been retracting? can you have been retracting? can he have been retracting? can we have been retracting? can you have been retracting? can they have been retracting?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I retract? can't you retract? can't he retract? can't we retract? can't you retract? can't they retract?	can't I be retracting? can't you be retracting? can't he be retracting? can't we be retracting? can't you be retracting? can't they be retracting?
Perfecto	Perfecto con V-ing
can't I have retracted? can't you have retracted? can't he have retracted? can't we have retracted? can't you have retracted? can't they have retracted?	can't I have been retracting? can't you have been retracting? can't he have been retracting? can't we have been retracting? can't you have been retracting? can't they have been retracting?