English verb conjugation
MUST FLOP

Regular verb: flop - flopped - flopped

Affirmation

Simple form	V-ing form
I must flop you must flop he must flop we must flop you must flop they must flop	I must be flopping you must be flopping he must be flopping we must be flopping you must be flopping they must be flopping
Perfect	V-ing perfect
I must have flopped you must have flopped he must have flopped we must have flopped you must have flopped they must have flopped	I must have been flopping you must have been flopping he must have been flopping we must have been flopping you must have been flopping they must have been flopping

Negation

Simple form	V-ing form
I must not flop you must not flop he must not flop we must not flop you must not flop they must not flop	I must not be flopping you must not be flopping he must not be flopping we must not be flopping you must not be flopping they must not be flopping
Perfect	V-ing perfect
I must not have flopped you must not have flopped he must not have flopped we must not have flopped you must not have flopped they must not have flopped	I must not have been flopping you must not have been flopping he must not have been flopping we must not have been flopping you must not have been flopping they must not have been flopping

Interrogative form

Simple form	V-ing form
must I flop? must you flop? must he flop? must we flop? must you flop? must they flop?	must I be flopping? must you be flopping? must he be flopping? must we be flopping? must you be flopping? must they be flopping?
Perfect	V-ing perfect
must I have flopped? must you have flopped? must he have flopped? must we have flopped? must you have flopped? must they have flopped?	must I have been flopping? must you have been flopping? must he have been flopping? must we have been flopping? must you have been flopping? must they have been flopping?

Interro-negative form

Simple form	V-ing form
must I not flop? must you not flop? must he not flop? must we not flop? must you not flop? must they not flop?	must I not be flopping? must you not be flopping? must he not be flopping? must we not be flopping? must you not be flopping? must they not be flopping?
Perfect	V-ing perfect
must I not have flopped? must you not have flopped? must he not have flopped? must we not have flopped? must you not have flopped? must they not have flopped?	must I not have been flopping? must you not have been flopping? must he not have been flopping? must we not have been flopping? must you not have been flopping? must they not have been flopping?