English verb conjugation
MUST CHUCK

Regular verb: chuck - chucked - chucked

Affirmation

Simple form	V-ing form
I must chuck you must chuck he must chuck we must chuck you must chuck they must chuck	I must be chucking you must be chucking he must be chucking we must be chucking you must be chucking they must be chucking
Perfect	V-ing perfect
I must have chucked you must have chucked he must have chucked we must have chucked you must have chucked they must have chucked	I must have been chucking you must have been chucking he must have been chucking we must have been chucking you must have been chucking they must have been chucking

Negation

Simple form	V-ing form
I mustn't chuck you mustn't chuck he mustn't chuck we mustn't chuck you mustn't chuck they mustn't chuck	I mustn't be chucking you mustn't be chucking he mustn't be chucking we mustn't be chucking you mustn't be chucking they mustn't be chucking
Perfect	V-ing perfect
I mustn't have chucked you mustn't have chucked he mustn't have chucked we mustn't have chucked you mustn't have chucked they mustn't have chucked	I mustn't have been chucking you mustn't have been chucking he mustn't have been chucking we mustn't have been chucking you mustn't have been chucking they mustn't have been chucking

Interrogative form

Simple form	V-ing form
must I chuck? must you chuck? must he chuck? must we chuck? must you chuck? must they chuck?	must I be chucking? must you be chucking? must he be chucking? must we be chucking? must you be chucking? must they be chucking?
Perfect	V-ing perfect
must I have chucked? must you have chucked? must he have chucked? must we have chucked? must you have chucked? must they have chucked?	must I have been chucking? must you have been chucking? must he have been chucking? must we have been chucking? must you have been chucking? must they have been chucking?

Interro-negative form

Simple form	V-ing form
mustn't I chuck? mustn't you chuck? mustn't he chuck? mustn't we chuck? mustn't you chuck? mustn't they chuck?	mustn't I be chucking? mustn't you be chucking? mustn't he be chucking? mustn't we be chucking? mustn't you be chucking? mustn't they be chucking?
Perfect	V-ing perfect
mustn't I have chucked? mustn't you have chucked? mustn't he have chucked? mustn't we have chucked? mustn't you have chucked? mustn't they have chucked?	mustn't I have been chucking? mustn't you have been chucking? mustn't he have been chucking? mustn't we have been chucking? mustn't you have been chucking? mustn't they have been chucking?