English verb conjugation
COULD KNEE

Regular verb: knee - kneed - kneed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?