English verb conjugation
MUST PAT

Regular verb: pat - patted - patted

Affirmation

Simple form	V-ing form
I must pat you must pat he must pat we must pat you must pat they must pat	I must be patting you must be patting he must be patting we must be patting you must be patting they must be patting
Perfect	V-ing perfect
I must have patted you must have patted he must have patted we must have patted you must have patted they must have patted	I must have been patting you must have been patting he must have been patting we must have been patting you must have been patting they must have been patting

Negation

Simple form	V-ing form
I mustn't pat you mustn't pat he mustn't pat we mustn't pat you mustn't pat they mustn't pat	I mustn't be patting you mustn't be patting he mustn't be patting we mustn't be patting you mustn't be patting they mustn't be patting
Perfect	V-ing perfect
I mustn't have patted you mustn't have patted he mustn't have patted we mustn't have patted you mustn't have patted they mustn't have patted	I mustn't have been patting you mustn't have been patting he mustn't have been patting we mustn't have been patting you mustn't have been patting they mustn't have been patting

Interrogative form

Simple form	V-ing form
must I pat? must you pat? must he pat? must we pat? must you pat? must they pat?	must I be patting? must you be patting? must he be patting? must we be patting? must you be patting? must they be patting?
Perfect	V-ing perfect
must I have patted? must you have patted? must he have patted? must we have patted? must you have patted? must they have patted?	must I have been patting? must you have been patting? must he have been patting? must we have been patting? must you have been patting? must they have been patting?

Interro-negative form

Simple form	V-ing form
mustn't I pat? mustn't you pat? mustn't he pat? mustn't we pat? mustn't you pat? mustn't they pat?	mustn't I be patting? mustn't you be patting? mustn't he be patting? mustn't we be patting? mustn't you be patting? mustn't they be patting?
Perfect	V-ing perfect
mustn't I have patted? mustn't you have patted? mustn't he have patted? mustn't we have patted? mustn't you have patted? mustn't they have patted?	mustn't I have been patting? mustn't you have been patting? mustn't he have been patting? mustn't we have been patting? mustn't you have been patting? mustn't they have been patting?