English verb conjugation
MUST HAM

Regular verb: ham - hammed - hammed

Affirmation

Simple form	V-ing form
I must ham you must ham she must ham we must ham you must ham they must ham	I must be hamming you must be hamming she 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 she 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 she 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 she 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 she 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 she 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 she 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 she ham? must we ham? must you ham? must they ham?	must I be hamming? must you be hamming? must she 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 she 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 she 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 she 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 she 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 she 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 she have been hamming? mustn't we have been hamming? mustn't you have been hamming? mustn't they have been hamming?