English verb conjugation
MUST MUZZLE

Regular verb: muzzle - muzzled - muzzled

Affirmation

Simple form	V-ing form
I must muzzle you must muzzle he must muzzle we must muzzle you must muzzle they must muzzle	I must be muzzling you must be muzzling he must be muzzling we must be muzzling you must be muzzling they must be muzzling
Perfect	V-ing perfect
I must have muzzled you must have muzzled he must have muzzled we must have muzzled you must have muzzled they must have muzzled	I must have been muzzling you must have been muzzling he must have been muzzling we must have been muzzling you must have been muzzling they must have been muzzling

Negation

Simple form	V-ing form
I mustn't muzzle you mustn't muzzle he mustn't muzzle we mustn't muzzle you mustn't muzzle they mustn't muzzle	I mustn't be muzzling you mustn't be muzzling he mustn't be muzzling we mustn't be muzzling you mustn't be muzzling they mustn't be muzzling
Perfect	V-ing perfect
I mustn't have muzzled you mustn't have muzzled he mustn't have muzzled we mustn't have muzzled you mustn't have muzzled they mustn't have muzzled	I mustn't have been muzzling you mustn't have been muzzling he mustn't have been muzzling we mustn't have been muzzling you mustn't have been muzzling they mustn't have been muzzling

Interrogative form

Simple form	V-ing form
must I muzzle? must you muzzle? must he muzzle? must we muzzle? must you muzzle? must they muzzle?	must I be muzzling? must you be muzzling? must he be muzzling? must we be muzzling? must you be muzzling? must they be muzzling?
Perfect	V-ing perfect
must I have muzzled? must you have muzzled? must he have muzzled? must we have muzzled? must you have muzzled? must they have muzzled?	must I have been muzzling? must you have been muzzling? must he have been muzzling? must we have been muzzling? must you have been muzzling? must they have been muzzling?

Interro-negative form

Simple form	V-ing form
mustn't I muzzle? mustn't you muzzle? mustn't he muzzle? mustn't we muzzle? mustn't you muzzle? mustn't they muzzle?	mustn't I be muzzling? mustn't you be muzzling? mustn't he be muzzling? mustn't we be muzzling? mustn't you be muzzling? mustn't they be muzzling?
Perfect	V-ing perfect
mustn't I have muzzled? mustn't you have muzzled? mustn't he have muzzled? mustn't we have muzzled? mustn't you have muzzled? mustn't they have muzzled?	mustn't I have been muzzling? mustn't you have been muzzling? mustn't he have been muzzling? mustn't we have been muzzling? mustn't you have been muzzling? mustn't they have been muzzling?