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 mustn't flop you mustn't flop he mustn't flop we mustn't flop you mustn't flop they mustn't flop	I mustn't be flopping you mustn't be flopping he mustn't be flopping we mustn't be flopping you mustn't be flopping they mustn't be flopping
Perfect	V-ing perfect
I mustn't have flopped you mustn't have flopped he mustn't have flopped we mustn't have flopped you mustn't have flopped they mustn't have flopped	I mustn't have been flopping you mustn't have been flopping he mustn't have been flopping we mustn't have been flopping you mustn't have been flopping they mustn't 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
mustn't I flop? mustn't you flop? mustn't he flop? mustn't we flop? mustn't you flop? mustn't they flop?	mustn't I be flopping? mustn't you be flopping? mustn't he be flopping? mustn't we be flopping? mustn't you be flopping? mustn't they be flopping?
Perfect	V-ing perfect
mustn't I have flopped? mustn't you have flopped? mustn't he have flopped? mustn't we have flopped? mustn't you have flopped? mustn't they have flopped?	mustn't I have been flopping? mustn't you have been flopping? mustn't he have been flopping? mustn't we have been flopping? mustn't you have been flopping? mustn't they have been flopping?