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 must not snug you must not snug he must not snug we must not snug you must not snug they must not snug	I must not be snugging you must not be snugging he must not be snugging we must not be snugging you must not be snugging they must not be snugging
Perfect	V-ing perfect
I must not have snugged you must not have snugged he must not have snugged we must not have snugged you must not have snugged they must not have snugged	I must not have been snugging you must not have been snugging he must not have been snugging we must not have been snugging you must not have been snugging they must not 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
must I not snug? must you not snug? must he not snug? must we not snug? must you not snug? must they not snug?	must I not be snugging? must you not be snugging? must he not be snugging? must we not be snugging? must you not be snugging? must they not be snugging?
Perfect	V-ing perfect
must I not have snugged? must you not have snugged? must he not have snugged? must we not have snugged? must you not have snugged? must they not have snugged?	must I not have been snugging? must you not have been snugging? must he not have been snugging? must we not have been snugging? must you not have been snugging? must they not have been snugging?