English verb conjugation
COULD KNEE

Regular verb: knee - kneed - kneed

Affirmation

Simple form	V-ing form
I could knee you could knee she could knee we could knee you could knee they could knee	I could be kneeing you could be kneeing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she knee? could we knee? could you knee? could they knee?	could I be kneeing? could you be kneeing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been kneeing? couldn't we have been kneeing? couldn't you have been kneeing? couldn't they have been kneeing?