can knell
Verbo regular: knell - knelled- knelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can knell
you can knell
he can knell
we can knell
you can knell
they can knell 	I can be knelling
you can be knelling
he can be knelling
we can be knelling
you can be knelling
they can be knelling	I can have knelled
you can have knelled
he can have knelled
we can have knelled
you can have knelled
they can have knelled	I can have been knelling
you can have been knelling
he can have been knelling
we can have been knelling
you can have been knelling
they can have been knelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't knell
you can't knell
he can't knell
we can't knell
you can't knell
they can't knell 	I can't be knelling
you can't be knelling
he can't be knelling
we can't be knelling
you can't be knelling
they can't be knelling	I can't have knelled
you can't have knelled
he can't have knelled
we can't have knelled
you can't have knelled
they can't have knelled	I can't have been knelling
you can't have been knelling
he can't have been knelling
we can't have been knelling
you can't have been knelling
they can't have been knelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I knell?
can you knell?
can he knell?
can we knell?
can you knell?
can they knell? 	can I be knelling?
can you be knelling?
can he be knelling?
can we be knelling?
can you be knelling?
can they be knelling? 	can I have knelled?
can you have knelled?
can he have knelled?
can we have knelled?
can you have knelled?
can they have knelled? 	can I have been knelling?
can you have been knelling?
can he have been knelling?
can we have been knelling?
can you have been knelling?
can they have been knelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I knell?
can't you knell?
can't he knell?
can't we knell?
can't you knell?
can't they knell? 	can't I be knelling?
can't you be knelling?
can't he be knelling?
can't we be knelling?
can't you be knelling?
can't they be knelling? 	can't I have knelled?
can't you have knelled?
can't he have knelled?
can't we have knelled?
can't you have knelled?
can't they have knelled? 	can't I have been knelling?
can't you have been knelling?
can't he have been knelling?
can't we have been knelling?
can't you have been knelling?
can't they have been knelling?