English verb conjugation
MUST UNCORK

Regular verb: uncork - uncorked - uncorked

Affirmation

Simple form	V-ing form
I must uncork you must uncork he must uncork we must uncork you must uncork they must uncork	I must be uncorking you must be uncorking he must be uncorking we must be uncorking you must be uncorking they must be uncorking
Perfect	V-ing perfect
I must have uncorked you must have uncorked he must have uncorked we must have uncorked you must have uncorked they must have uncorked	I must have been uncorking you must have been uncorking he must have been uncorking we must have been uncorking you must have been uncorking they must have been uncorking

Negation

Simple form	V-ing form
I mustn't uncork you mustn't uncork he mustn't uncork we mustn't uncork you mustn't uncork they mustn't uncork	I mustn't be uncorking you mustn't be uncorking he mustn't be uncorking we mustn't be uncorking you mustn't be uncorking they mustn't be uncorking
Perfect	V-ing perfect
I mustn't have uncorked you mustn't have uncorked he mustn't have uncorked we mustn't have uncorked you mustn't have uncorked they mustn't have uncorked	I mustn't have been uncorking you mustn't have been uncorking he mustn't have been uncorking we mustn't have been uncorking you mustn't have been uncorking they mustn't have been uncorking

Interrogative form

Simple form	V-ing form
must I uncork? must you uncork? must he uncork? must we uncork? must you uncork? must they uncork?	must I be uncorking? must you be uncorking? must he be uncorking? must we be uncorking? must you be uncorking? must they be uncorking?
Perfect	V-ing perfect
must I have uncorked? must you have uncorked? must he have uncorked? must we have uncorked? must you have uncorked? must they have uncorked?	must I have been uncorking? must you have been uncorking? must he have been uncorking? must we have been uncorking? must you have been uncorking? must they have been uncorking?

Interro-negative form

Simple form	V-ing form
mustn't I uncork? mustn't you uncork? mustn't he uncork? mustn't we uncork? mustn't you uncork? mustn't they uncork?	mustn't I be uncorking? mustn't you be uncorking? mustn't he be uncorking? mustn't we be uncorking? mustn't you be uncorking? mustn't they be uncorking?
Perfect	V-ing perfect
mustn't I have uncorked? mustn't you have uncorked? mustn't he have uncorked? mustn't we have uncorked? mustn't you have uncorked? mustn't they have uncorked?	mustn't I have been uncorking? mustn't you have been uncorking? mustn't he have been uncorking? mustn't we have been uncorking? mustn't you have been uncorking? mustn't they have been uncorking?