can knee
Regular verb: knee - kneed- kneed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can knee
you can knee
she can knee
we can knee
you can knee
they can knee 	I can be kneeing
you can be kneeing
she can be kneeing
we can be kneeing
you can be kneeing
they can be kneeing	I can have kneed
you can have kneed
she can have kneed
we can have kneed
you can have kneed
they can have kneed	I can have been kneeing
you can have been kneeing
she can have been kneeing
we can have been kneeing
you can have been kneeing
they can have been kneeing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot knee
you cannot knee
she cannot knee
we cannot knee
you cannot knee
they cannot knee 	I cannot be kneeing
you cannot be kneeing
she cannot be kneeing
we cannot be kneeing
you cannot be kneeing
they cannot be kneeing	I cannot have kneed
you cannot have kneed
she cannot have kneed
we cannot have kneed
you cannot have kneed
they cannot have kneed	I cannot have been kneeing
you cannot have been kneeing
she cannot have been kneeing
we cannot have been kneeing
you cannot have been kneeing
they cannot have been kneeing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I knee?
can you knee?
can she knee?
can we knee?
can you knee?
can they knee? 	can I be kneeing?
can you be kneeing?
can she be kneeing?
can we be kneeing?
can you be kneeing?
can they be kneeing? 	can I have kneed?
can you have kneed?
can she have kneed?
can we have kneed?
can you have kneed?
can they have kneed? 	can I have been kneeing?
can you have been kneeing?
can she have been kneeing?
can we have been kneeing?
can you have been kneeing?
can they have been kneeing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not knee?
can you not knee?
can she not knee?
can we not knee?
can you not knee?
can they not knee? 	can I not be kneeing?
can you not be kneeing?
can she not be kneeing?
can we not be kneeing?
can you not be kneeing?
can they not be kneeing? 	can I not have kneed?
can you not have kneed?
can she not have kneed?
can we not have kneed?
can you not have kneed?
can they not have kneed? 	can I not have been kneeing?
can you not have been kneeing?
can she not have been kneeing?
can we not have been kneeing?
can you not have been kneeing?
can they not have been kneeing?