could towel
Verbo regular: towel - towelled- towelled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could towel
you could towel
he could towel
we could towel
you could towel
they could towel 	I could be towelling
you could be towelling
he could be towelling
we could be towelling
you could be towelling
they could be towelling	I could have towelled
you could have towelled
he could have towelled
we could have towelled
you could have towelled
they could have towelled	I could have been towelling
you could have been towelling
he could have been towelling
we could have been towelling
you could have been towelling
they could have been towelling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't towel
you couldn't towel
he couldn't towel
we couldn't towel
you couldn't towel
they couldn't towel 	I couldn't be towelling
you couldn't be towelling
he couldn't be towelling
we couldn't be towelling
you couldn't be towelling
they couldn't be towelling	I couldn't have towelled
you couldn't have towelled
he couldn't have towelled
we couldn't have towelled
you couldn't have towelled
they couldn't have towelled	I couldn't have been towelling
you couldn't have been towelling
he couldn't have been towelling
we couldn't have been towelling
you couldn't have been towelling
they couldn't have been towelling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I towel?
could you towel?
could he towel?
could we towel?
could you towel?
could they towel? 	could I be towelling?
could you be towelling?
could he be towelling?
could we be towelling?
could you be towelling?
could they be towelling? 	could I have towelled?
could you have towelled?
could he have towelled?
could we have towelled?
could you have towelled?
could they have towelled? 	could I have been towelling?
could you have been towelling?
could he have been towelling?
could we have been towelling?
could you have been towelling?
could they have been towelling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I towel?
couldn't you towel?
couldn't he towel?
couldn't we towel?
couldn't you towel?
couldn't they towel? 	couldn't I be towelling?
couldn't you be towelling?
couldn't he be towelling?
couldn't we be towelling?
couldn't you be towelling?
couldn't they be towelling? 	couldn't I have towelled?
couldn't you have towelled?
couldn't he have towelled?
couldn't we have towelled?
couldn't you have towelled?
couldn't they have towelled? 	couldn't I have been towelling?
couldn't you have been towelling?
couldn't he have been towelling?
couldn't we have been towelling?
couldn't you have been towelling?
couldn't they have been towelling?