could rowel
Verbo regular: rowel - roweled- roweled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could rowel
you could rowel
he could rowel
we could rowel
you could rowel
they could rowel 	I could be roweling
you could be roweling
he could be roweling
we could be roweling
you could be roweling
they could be roweling	I could have roweled
you could have roweled
he could have roweled
we could have roweled
you could have roweled
they could have roweled	I could have been roweling
you could have been roweling
he could have been roweling
we could have been roweling
you could have been roweling
they could have been roweling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't rowel
you couldn't rowel
he couldn't rowel
we couldn't rowel
you couldn't rowel
they couldn't rowel 	I couldn't be roweling
you couldn't be roweling
he couldn't be roweling
we couldn't be roweling
you couldn't be roweling
they couldn't be roweling	I couldn't have roweled
you couldn't have roweled
he couldn't have roweled
we couldn't have roweled
you couldn't have roweled
they couldn't have roweled	I couldn't have been roweling
you couldn't have been roweling
he couldn't have been roweling
we couldn't have been roweling
you couldn't have been roweling
they couldn't have been roweling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I rowel?
could you rowel?
could he rowel?
could we rowel?
could you rowel?
could they rowel? 	could I be roweling?
could you be roweling?
could he be roweling?
could we be roweling?
could you be roweling?
could they be roweling? 	could I have roweled?
could you have roweled?
could he have roweled?
could we have roweled?
could you have roweled?
could they have roweled? 	could I have been roweling?
could you have been roweling?
could he have been roweling?
could we have been roweling?
could you have been roweling?
could they have been roweling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I rowel?
couldn't you rowel?
couldn't he rowel?
couldn't we rowel?
couldn't you rowel?
couldn't they rowel? 	couldn't I be roweling?
couldn't you be roweling?
couldn't he be roweling?
couldn't we be roweling?
couldn't you be roweling?
couldn't they be roweling? 	couldn't I have roweled?
couldn't you have roweled?
couldn't he have roweled?
couldn't we have roweled?
couldn't you have roweled?
couldn't they have roweled? 	couldn't I have been roweling?
couldn't you have been roweling?
couldn't he have been roweling?
couldn't we have been roweling?
couldn't you have been roweling?
couldn't they have been roweling?