can curtail
Verbo regular: curtail - curtailed- curtailed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can curtail
you can curtail
he can curtail
we can curtail
you can curtail
they can curtail 	I can be curtailing
you can be curtailing
he can be curtailing
we can be curtailing
you can be curtailing
they can be curtailing	I can have curtailed
you can have curtailed
he can have curtailed
we can have curtailed
you can have curtailed
they can have curtailed	I can have been curtailing
you can have been curtailing
he can have been curtailing
we can have been curtailing
you can have been curtailing
they can have been curtailing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't curtail
you can't curtail
he can't curtail
we can't curtail
you can't curtail
they can't curtail 	I can't be curtailing
you can't be curtailing
he can't be curtailing
we can't be curtailing
you can't be curtailing
they can't be curtailing	I can't have curtailed
you can't have curtailed
he can't have curtailed
we can't have curtailed
you can't have curtailed
they can't have curtailed	I can't have been curtailing
you can't have been curtailing
he can't have been curtailing
we can't have been curtailing
you can't have been curtailing
they can't have been curtailing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I curtail?
can you curtail?
can he curtail?
can we curtail?
can you curtail?
can they curtail? 	can I be curtailing?
can you be curtailing?
can he be curtailing?
can we be curtailing?
can you be curtailing?
can they be curtailing? 	can I have curtailed?
can you have curtailed?
can he have curtailed?
can we have curtailed?
can you have curtailed?
can they have curtailed? 	can I have been curtailing?
can you have been curtailing?
can he have been curtailing?
can we have been curtailing?
can you have been curtailing?
can they have been curtailing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I curtail?
can't you curtail?
can't he curtail?
can't we curtail?
can't you curtail?
can't they curtail? 	can't I be curtailing?
can't you be curtailing?
can't he be curtailing?
can't we be curtailing?
can't you be curtailing?
can't they be curtailing? 	can't I have curtailed?
can't you have curtailed?
can't he have curtailed?
can't we have curtailed?
can't you have curtailed?
can't they have curtailed? 	can't I have been curtailing?
can't you have been curtailing?
can't he have been curtailing?
can't we have been curtailing?
can't you have been curtailing?
can't they have been curtailing?