English verb conjugation
COULD HAM

Regular verb: ham - hammed - hammed

Affirmation

Simple form	V-ing form
I could ham you could ham she could ham we could ham you could ham they could ham	I could be hamming you could be hamming she could be hamming we could be hamming you could be hamming they could be hamming
Perfect	V-ing perfect
I could have hammed you could have hammed she could have hammed we could have hammed you could have hammed they could have hammed	I could have been hamming you could have been hamming she could have been hamming we could have been hamming you could have been hamming they could have been hamming

Negation

Simple form	V-ing form
I could not ham you could not ham she could not ham we could not ham you could not ham they could not ham	I could not be hamming you could not be hamming she could not be hamming we could not be hamming you could not be hamming they could not be hamming
Perfect	V-ing perfect
I could not have hammed you could not have hammed she could not have hammed we could not have hammed you could not have hammed they could not have hammed	I could not have been hamming you could not have been hamming she could not have been hamming we could not have been hamming you could not have been hamming they could not have been hamming

Interrogative form

Simple form	V-ing form
could I ham? could you ham? could she ham? could we ham? could you ham? could they ham?	could I be hamming? could you be hamming? could she be hamming? could we be hamming? could you be hamming? could they be hamming?
Perfect	V-ing perfect
could I have hammed? could you have hammed? could she have hammed? could we have hammed? could you have hammed? could they have hammed?	could I have been hamming? could you have been hamming? could she have been hamming? could we have been hamming? could you have been hamming? could they have been hamming?

Interro-negative form

Simple form	V-ing form
could I not ham? could you not ham? could she not ham? could we not ham? could you not ham? could they not ham?	could I not be hamming? could you not be hamming? could she not be hamming? could we not be hamming? could you not be hamming? could they not be hamming?
Perfect	V-ing perfect
could I not have hammed? could you not have hammed? could she not have hammed? could we not have hammed? could you not have hammed? could they not have hammed?	could I not have been hamming? could you not have been hamming? could she not have been hamming? could we not have been hamming? could you not have been hamming? could they not have been hamming?