English verb conjugation
MUST SNIGGLE

Regular verb: sniggle - sniggled - sniggled

Affirmation

Simple form	V-ing form
I must sniggle you must sniggle she must sniggle we must sniggle you must sniggle they must sniggle	I must be sniggling you must be sniggling she must be sniggling we must be sniggling you must be sniggling they must be sniggling
Perfect	V-ing perfect
I must have sniggled you must have sniggled she must have sniggled we must have sniggled you must have sniggled they must have sniggled	I must have been sniggling you must have been sniggling she must have been sniggling we must have been sniggling you must have been sniggling they must have been sniggling

Negation

Simple form	V-ing form
I must not sniggle you must not sniggle she must not sniggle we must not sniggle you must not sniggle they must not sniggle	I must not be sniggling you must not be sniggling she must not be sniggling we must not be sniggling you must not be sniggling they must not be sniggling
Perfect	V-ing perfect
I must not have sniggled you must not have sniggled she must not have sniggled we must not have sniggled you must not have sniggled they must not have sniggled	I must not have been sniggling you must not have been sniggling she must not have been sniggling we must not have been sniggling you must not have been sniggling they must not have been sniggling

Interrogative form

Simple form	V-ing form
must I sniggle? must you sniggle? must she sniggle? must we sniggle? must you sniggle? must they sniggle?	must I be sniggling? must you be sniggling? must she be sniggling? must we be sniggling? must you be sniggling? must they be sniggling?
Perfect	V-ing perfect
must I have sniggled? must you have sniggled? must she have sniggled? must we have sniggled? must you have sniggled? must they have sniggled?	must I have been sniggling? must you have been sniggling? must she have been sniggling? must we have been sniggling? must you have been sniggling? must they have been sniggling?

Interro-negative form

Simple form	V-ing form
must I not sniggle? must you not sniggle? must she not sniggle? must we not sniggle? must you not sniggle? must they not sniggle?	must I not be sniggling? must you not be sniggling? must she not be sniggling? must we not be sniggling? must you not be sniggling? must they not be sniggling?
Perfect	V-ing perfect
must I not have sniggled? must you not have sniggled? must she not have sniggled? must we not have sniggled? must you not have sniggled? must they not have sniggled?	must I not have been sniggling? must you not have been sniggling? must she not have been sniggling? must we not have been sniggling? must you not have been sniggling? must they not have been sniggling?