Conjugación del verbo inglés
CAN FIRE

Verbo regular: fire - fired - fired

Afirmación

Forma simple	Forma con V-ing
I can fire you can fire she can fire we can fire you can fire they can fire	I can be firing you can be firing she can be firing we can be firing you can be firing they can be firing
Perfecto	Perfecto con V-ing
I can have fired you can have fired she can have fired we can have fired you can have fired they can have fired	I can have been firing you can have been firing she can have been firing we can have been firing you can have been firing they can have been firing

Negación

Forma simple	Forma con V-ing
I cannot fire you cannot fire she cannot fire we cannot fire you cannot fire they cannot fire	I cannot be firing you cannot be firing she cannot be firing we cannot be firing you cannot be firing they cannot be firing
Perfecto	Perfecto con V-ing
I cannot have fired you cannot have fired she cannot have fired we cannot have fired you cannot have fired they cannot have fired	I cannot have been firing you cannot have been firing she cannot have been firing we cannot have been firing you cannot have been firing they cannot have been firing

Forma interrogativa

Forma simple	Forma con V-ing
can I fire? can you fire? can she fire? can we fire? can you fire? can they fire?	can I be firing? can you be firing? can she be firing? can we be firing? can you be firing? can they be firing?
Perfecto	Perfecto con V-ing
can I have fired? can you have fired? can she have fired? can we have fired? can you have fired? can they have fired?	can I have been firing? can you have been firing? can she have been firing? can we have been firing? can you have been firing? can they have been firing?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not fire? can you not fire? can she not fire? can we not fire? can you not fire? can they not fire?	can I not be firing? can you not be firing? can she not be firing? can we not be firing? can you not be firing? can they not be firing?
Perfecto	Perfecto con V-ing
can I not have fired? can you not have fired? can she not have fired? can we not have fired? can you not have fired? can they not have fired?	can I not have been firing? can you not have been firing? can she not have been firing? can we not have been firing? can you not have been firing? can they not have been firing?