could keck
Verbo regular: keck - kecked- kecked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could keck
you could keck
he could keck
we could keck
you could keck
they could keck 	I could be kecking
you could be kecking
he could be kecking
we could be kecking
you could be kecking
they could be kecking	I could have kecked
you could have kecked
he could have kecked
we could have kecked
you could have kecked
they could have kecked	I could have been kecking
you could have been kecking
he could have been kecking
we could have been kecking
you could have been kecking
they could have been kecking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't keck
you couldn't keck
he couldn't keck
we couldn't keck
you couldn't keck
they couldn't keck 	I couldn't be kecking
you couldn't be kecking
he couldn't be kecking
we couldn't be kecking
you couldn't be kecking
they couldn't be kecking	I couldn't have kecked
you couldn't have kecked
he couldn't have kecked
we couldn't have kecked
you couldn't have kecked
they couldn't have kecked	I couldn't have been kecking
you couldn't have been kecking
he couldn't have been kecking
we couldn't have been kecking
you couldn't have been kecking
they couldn't have been kecking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I keck?
could you keck?
could he keck?
could we keck?
could you keck?
could they keck? 	could I be kecking?
could you be kecking?
could he be kecking?
could we be kecking?
could you be kecking?
could they be kecking? 	could I have kecked?
could you have kecked?
could he have kecked?
could we have kecked?
could you have kecked?
could they have kecked? 	could I have been kecking?
could you have been kecking?
could he have been kecking?
could we have been kecking?
could you have been kecking?
could they have been kecking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I keck?
couldn't you keck?
couldn't he keck?
couldn't we keck?
couldn't you keck?
couldn't they keck? 	couldn't I be kecking?
couldn't you be kecking?
couldn't he be kecking?
couldn't we be kecking?
couldn't you be kecking?
couldn't they be kecking? 	couldn't I have kecked?
couldn't you have kecked?
couldn't he have kecked?
couldn't we have kecked?
couldn't you have kecked?
couldn't they have kecked? 	couldn't I have been kecking?
couldn't you have been kecking?
couldn't he have been kecking?
couldn't we have been kecking?
couldn't you have been kecking?
couldn't they have been kecking?