can frighten
Verbo regular: frighten - frightened- frightened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can frighten
you can frighten
he can frighten
we can frighten
you can frighten
they can frighten 	I can be frightening
you can be frightening
he can be frightening
we can be frightening
you can be frightening
they can be frightening	I can have frightened
you can have frightened
he can have frightened
we can have frightened
you can have frightened
they can have frightened	I can have been frightening
you can have been frightening
he can have been frightening
we can have been frightening
you can have been frightening
they can have been frightening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot frighten
you cannot frighten
he cannot frighten
we cannot frighten
you cannot frighten
they cannot frighten 	I cannot be frightening
you cannot be frightening
he cannot be frightening
we cannot be frightening
you cannot be frightening
they cannot be frightening	I cannot have frightened
you cannot have frightened
he cannot have frightened
we cannot have frightened
you cannot have frightened
they cannot have frightened	I cannot have been frightening
you cannot have been frightening
he cannot have been frightening
we cannot have been frightening
you cannot have been frightening
they cannot have been frightening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I frighten?
can you frighten?
can he frighten?
can we frighten?
can you frighten?
can they frighten? 	can I be frightening?
can you be frightening?
can he be frightening?
can we be frightening?
can you be frightening?
can they be frightening? 	can I have frightened?
can you have frightened?
can he have frightened?
can we have frightened?
can you have frightened?
can they have frightened? 	can I have been frightening?
can you have been frightening?
can he have been frightening?
can we have been frightening?
can you have been frightening?
can they have been frightening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not frighten?
can you not frighten?
can he not frighten?
can we not frighten?
can you not frighten?
can they not frighten? 	can I not be frightening?
can you not be frightening?
can he not be frightening?
can we not be frightening?
can you not be frightening?
can they not be frightening? 	can I not have frightened?
can you not have frightened?
can he not have frightened?
can we not have frightened?
can you not have frightened?
can they not have frightened? 	can I not have been frightening?
can you not have been frightening?
can he not have been frightening?
can we not have been frightening?
can you not have been frightening?
can they not have been frightening?