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 can't ham you can't ham he can't ham we can't ham you can't ham they can't ham	I can't be hamming you can't be hamming he can't be hamming we can't be hamming you can't be hamming they can't be hamming
Perfect	V-ing perfect
I can't have hammed you can't have hammed he can't have hammed we can't have hammed you can't have hammed they can't have hammed	I can't have been hamming you can't have been hamming he can't have been hamming we can't have been hamming you can't have been hamming they can't 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't I ham? can't you ham? can't he ham? can't we ham? can't you ham? can't they ham?	can't I be hamming? can't you be hamming? can't he be hamming? can't we be hamming? can't you be hamming? can't they be hamming?
Perfect	V-ing perfect
can't I have hammed? can't you have hammed? can't he have hammed? can't we have hammed? can't you have hammed? can't they have hammed?	can't I have been hamming? can't you have been hamming? can't he have been hamming? can't we have been hamming? can't you have been hamming? can't they have been hamming?