could knee
Verbo regular: knee - kneed- kneed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could knee
you could knee
he could knee
we could knee
you could knee
they could knee 	I could be kneeing
you could be kneeing
he could be kneeing
we could be kneeing
you could be kneeing
they could be kneeing	I could have kneed
you could have kneed
he could have kneed
we could have kneed
you could have kneed
they could have kneed	I could have been kneeing
you could have been kneeing
he could have been kneeing
we could have been kneeing
you could have been kneeing
they could have been kneeing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't knee
you couldn't knee
he couldn't knee
we couldn't knee
you couldn't knee
they couldn't knee 	I couldn't be kneeing
you couldn't be kneeing
he couldn't be kneeing
we couldn't be kneeing
you couldn't be kneeing
they couldn't be kneeing	I couldn't have kneed
you couldn't have kneed
he couldn't have kneed
we couldn't have kneed
you couldn't have kneed
they couldn't have kneed	I couldn't have been kneeing
you couldn't have been kneeing
he couldn't have been kneeing
we couldn't have been kneeing
you couldn't have been kneeing
they couldn't have been kneeing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I knee?
could you knee?
could he knee?
could we knee?
could you knee?
could they knee? 	could I be kneeing?
could you be kneeing?
could he be kneeing?
could we be kneeing?
could you be kneeing?
could they be kneeing? 	could I have kneed?
could you have kneed?
could he have kneed?
could we have kneed?
could you have kneed?
could they have kneed? 	could I have been kneeing?
could you have been kneeing?
could he have been kneeing?
could we have been kneeing?
could you have been kneeing?
could they have been kneeing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I knee?
couldn't you knee?
couldn't he knee?
couldn't we knee?
couldn't you knee?
couldn't they knee? 	couldn't I be kneeing?
couldn't you be kneeing?
couldn't he be kneeing?
couldn't we be kneeing?
couldn't you be kneeing?
couldn't they be kneeing? 	couldn't I have kneed?
couldn't you have kneed?
couldn't he have kneed?
couldn't we have kneed?
couldn't you have kneed?
couldn't they have kneed? 	couldn't I have been kneeing?
couldn't you have been kneeing?
couldn't he have been kneeing?
couldn't we have been kneeing?
couldn't you have been kneeing?
couldn't they have been kneeing?