can threaten
Verbo regular: threaten - threatened- threatened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can threaten
you can threaten
he can threaten
we can threaten
you can threaten
they can threaten 	I can be threatening
you can be threatening
he can be threatening
we can be threatening
you can be threatening
they can be threatening	I can have threatened
you can have threatened
he can have threatened
we can have threatened
you can have threatened
they can have threatened	I can have been threatening
you can have been threatening
he can have been threatening
we can have been threatening
you can have been threatening
they can have been threatening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't threaten
you can't threaten
he can't threaten
we can't threaten
you can't threaten
they can't threaten 	I can't be threatening
you can't be threatening
he can't be threatening
we can't be threatening
you can't be threatening
they can't be threatening	I can't have threatened
you can't have threatened
he can't have threatened
we can't have threatened
you can't have threatened
they can't have threatened	I can't have been threatening
you can't have been threatening
he can't have been threatening
we can't have been threatening
you can't have been threatening
they can't have been threatening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I threaten?
can you threaten?
can he threaten?
can we threaten?
can you threaten?
can they threaten? 	can I be threatening?
can you be threatening?
can he be threatening?
can we be threatening?
can you be threatening?
can they be threatening? 	can I have threatened?
can you have threatened?
can he have threatened?
can we have threatened?
can you have threatened?
can they have threatened? 	can I have been threatening?
can you have been threatening?
can he have been threatening?
can we have been threatening?
can you have been threatening?
can they have been threatening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I threaten?
can't you threaten?
can't he threaten?
can't we threaten?
can't you threaten?
can't they threaten? 	can't I be threatening?
can't you be threatening?
can't he be threatening?
can't we be threatening?
can't you be threatening?
can't they be threatening? 	can't I have threatened?
can't you have threatened?
can't he have threatened?
can't we have threatened?
can't you have threatened?
can't they have threatened? 	can't I have been threatening?
can't you have been threatening?
can't he have been threatening?
can't we have been threatening?
can't you have been threatening?
can't they have been threatening?