English verb conjugation
MUST GAGGLE

Regular verb: gaggle - gaggled - gaggled

Affirmation

Simple form	V-ing form
I must gaggle you must gaggle she must gaggle we must gaggle you must gaggle they must gaggle	I must be gaggling you must be gaggling she must be gaggling we must be gaggling you must be gaggling they must be gaggling
Perfect	V-ing perfect
I must have gaggled you must have gaggled she must have gaggled we must have gaggled you must have gaggled they must have gaggled	I must have been gaggling you must have been gaggling she must have been gaggling we must have been gaggling you must have been gaggling they must have been gaggling

Negation

Simple form	V-ing form
I mustn't gaggle you mustn't gaggle she mustn't gaggle we mustn't gaggle you mustn't gaggle they mustn't gaggle	I mustn't be gaggling you mustn't be gaggling she mustn't be gaggling we mustn't be gaggling you mustn't be gaggling they mustn't be gaggling
Perfect	V-ing perfect
I mustn't have gaggled you mustn't have gaggled she mustn't have gaggled we mustn't have gaggled you mustn't have gaggled they mustn't have gaggled	I mustn't have been gaggling you mustn't have been gaggling she mustn't have been gaggling we mustn't have been gaggling you mustn't have been gaggling they mustn't have been gaggling

Interrogative form

Simple form	V-ing form
must I gaggle? must you gaggle? must she gaggle? must we gaggle? must you gaggle? must they gaggle?	must I be gaggling? must you be gaggling? must she be gaggling? must we be gaggling? must you be gaggling? must they be gaggling?
Perfect	V-ing perfect
must I have gaggled? must you have gaggled? must she have gaggled? must we have gaggled? must you have gaggled? must they have gaggled?	must I have been gaggling? must you have been gaggling? must she have been gaggling? must we have been gaggling? must you have been gaggling? must they have been gaggling?

Interro-negative form

Simple form	V-ing form
mustn't I gaggle? mustn't you gaggle? mustn't she gaggle? mustn't we gaggle? mustn't you gaggle? mustn't they gaggle?	mustn't I be gaggling? mustn't you be gaggling? mustn't she be gaggling? mustn't we be gaggling? mustn't you be gaggling? mustn't they be gaggling?
Perfect	V-ing perfect
mustn't I have gaggled? mustn't you have gaggled? mustn't she have gaggled? mustn't we have gaggled? mustn't you have gaggled? mustn't they have gaggled?	mustn't I have been gaggling? mustn't you have been gaggling? mustn't she have been gaggling? mustn't we have been gaggling? mustn't you have been gaggling? mustn't they have been gaggling?