English verb conjugation
MUST SNUG

Regular verb: snug - snugged - snugged

Affirmation

Simple form	V-ing form
I must snug you must snug he must snug we must snug you must snug they must snug	I must be snugging you must be snugging he must be snugging we must be snugging you must be snugging they must be snugging
Perfect	V-ing perfect
I must have snugged you must have snugged he must have snugged we must have snugged you must have snugged they must have snugged	I must have been snugging you must have been snugging he must have been snugging we must have been snugging you must have been snugging they must have been snugging

Negation

Simple form	V-ing form
I mustn't snug you mustn't snug he mustn't snug we mustn't snug you mustn't snug they mustn't snug	I mustn't be snugging you mustn't be snugging he mustn't be snugging we mustn't be snugging you mustn't be snugging they mustn't be snugging
Perfect	V-ing perfect
I mustn't have snugged you mustn't have snugged he mustn't have snugged we mustn't have snugged you mustn't have snugged they mustn't have snugged	I mustn't have been snugging you mustn't have been snugging he mustn't have been snugging we mustn't have been snugging you mustn't have been snugging they mustn't have been snugging

Interrogative form

Simple form	V-ing form
must I snug? must you snug? must he snug? must we snug? must you snug? must they snug?	must I be snugging? must you be snugging? must he be snugging? must we be snugging? must you be snugging? must they be snugging?
Perfect	V-ing perfect
must I have snugged? must you have snugged? must he have snugged? must we have snugged? must you have snugged? must they have snugged?	must I have been snugging? must you have been snugging? must he have been snugging? must we have been snugging? must you have been snugging? must they have been snugging?

Interro-negative form

Simple form	V-ing form
mustn't I snug? mustn't you snug? mustn't he snug? mustn't we snug? mustn't you snug? mustn't they snug?	mustn't I be snugging? mustn't you be snugging? mustn't he be snugging? mustn't we be snugging? mustn't you be snugging? mustn't they be snugging?
Perfect	V-ing perfect
mustn't I have snugged? mustn't you have snugged? mustn't he have snugged? mustn't we have snugged? mustn't you have snugged? mustn't they have snugged?	mustn't I have been snugging? mustn't you have been snugging? mustn't he have been snugging? mustn't we have been snugging? mustn't you have been snugging? mustn't they have been snugging?