English verb conjugation
MUST HAM

Regular verb: ham - hammed - hammed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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