can scowl
Verbo regular: scowl - scowled- scowled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can scowl
you can scowl
he can scowl
we can scowl
you can scowl
they can scowl 	I can be scowling
you can be scowling
he can be scowling
we can be scowling
you can be scowling
they can be scowling	I can have scowled
you can have scowled
he can have scowled
we can have scowled
you can have scowled
they can have scowled	I can have been scowling
you can have been scowling
he can have been scowling
we can have been scowling
you can have been scowling
they can have been scowling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot scowl
you cannot scowl
he cannot scowl
we cannot scowl
you cannot scowl
they cannot scowl 	I cannot be scowling
you cannot be scowling
he cannot be scowling
we cannot be scowling
you cannot be scowling
they cannot be scowling	I cannot have scowled
you cannot have scowled
he cannot have scowled
we cannot have scowled
you cannot have scowled
they cannot have scowled	I cannot have been scowling
you cannot have been scowling
he cannot have been scowling
we cannot have been scowling
you cannot have been scowling
they cannot have been scowling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I scowl?
can you scowl?
can he scowl?
can we scowl?
can you scowl?
can they scowl? 	can I be scowling?
can you be scowling?
can he be scowling?
can we be scowling?
can you be scowling?
can they be scowling? 	can I have scowled?
can you have scowled?
can he have scowled?
can we have scowled?
can you have scowled?
can they have scowled? 	can I have been scowling?
can you have been scowling?
can he have been scowling?
can we have been scowling?
can you have been scowling?
can they have been scowling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not scowl?
can you not scowl?
can he not scowl?
can we not scowl?
can you not scowl?
can they not scowl? 	can I not be scowling?
can you not be scowling?
can he not be scowling?
can we not be scowling?
can you not be scowling?
can they not be scowling? 	can I not have scowled?
can you not have scowled?
can he not have scowled?
can we not have scowled?
can you not have scowled?
can they not have scowled? 	can I not have been scowling?
can you not have been scowling?
can he not have been scowling?
can we not have been scowling?
can you not have been scowling?
can they not have been scowling?