can fulfill
Verbo regular: fulfill - fulfilled- fulfilled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can fulfill
you can fulfill
he can fulfill
we can fulfill
you can fulfill
they can fulfill 	I can be fulfilling
you can be fulfilling
he can be fulfilling
we can be fulfilling
you can be fulfilling
they can be fulfilling	I can have fulfilled
you can have fulfilled
he can have fulfilled
we can have fulfilled
you can have fulfilled
they can have fulfilled	I can have been fulfilling
you can have been fulfilling
he can have been fulfilling
we can have been fulfilling
you can have been fulfilling
they can have been fulfilling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't fulfill
you can't fulfill
he can't fulfill
we can't fulfill
you can't fulfill
they can't fulfill 	I can't be fulfilling
you can't be fulfilling
he can't be fulfilling
we can't be fulfilling
you can't be fulfilling
they can't be fulfilling	I can't have fulfilled
you can't have fulfilled
he can't have fulfilled
we can't have fulfilled
you can't have fulfilled
they can't have fulfilled	I can't have been fulfilling
you can't have been fulfilling
he can't have been fulfilling
we can't have been fulfilling
you can't have been fulfilling
they can't have been fulfilling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I fulfill?
can you fulfill?
can he fulfill?
can we fulfill?
can you fulfill?
can they fulfill? 	can I be fulfilling?
can you be fulfilling?
can he be fulfilling?
can we be fulfilling?
can you be fulfilling?
can they be fulfilling? 	can I have fulfilled?
can you have fulfilled?
can he have fulfilled?
can we have fulfilled?
can you have fulfilled?
can they have fulfilled? 	can I have been fulfilling?
can you have been fulfilling?
can he have been fulfilling?
can we have been fulfilling?
can you have been fulfilling?
can they have been fulfilling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I fulfill?
can't you fulfill?
can't he fulfill?
can't we fulfill?
can't you fulfill?
can't they fulfill? 	can't I be fulfilling?
can't you be fulfilling?
can't he be fulfilling?
can't we be fulfilling?
can't you be fulfilling?
can't they be fulfilling? 	can't I have fulfilled?
can't you have fulfilled?
can't he have fulfilled?
can't we have fulfilled?
can't you have fulfilled?
can't they have fulfilled? 	can't I have been fulfilling?
can't you have been fulfilling?
can't he have been fulfilling?
can't we have been fulfilling?
can't you have been fulfilling?
can't they have been fulfilling?