English verb conjugation
CAN HAM

Regular verb: ham - hammed - hammed

Affirmation

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

Negation

Simple form	V-ing form
I cannot ham you cannot ham he cannot ham we cannot ham you cannot ham they cannot ham	I cannot be hamming you cannot be hamming he cannot be hamming we cannot be hamming you cannot be hamming they cannot be hamming
Perfect	V-ing perfect
I cannot have hammed you cannot have hammed he cannot have hammed we cannot have hammed you cannot have hammed they cannot have hammed	I cannot have been hamming you cannot have been hamming he cannot have been hamming we cannot have been hamming you cannot have been hamming they cannot have been hamming

Interrogative form

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

Interro-negative form

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