English verb conjugation
MUST MIFF

Regular verb: miff - miffed - miffed

Affirmation

Simple form	V-ing form
I must miff you must miff he must miff we must miff you must miff they must miff	I must be miffing you must be miffing he must be miffing we must be miffing you must be miffing they must be miffing
Perfect	V-ing perfect
I must have miffed you must have miffed he must have miffed we must have miffed you must have miffed they must have miffed	I must have been miffing you must have been miffing he must have been miffing we must have been miffing you must have been miffing they must have been miffing

Negation

Simple form	V-ing form
I mustn't miff you mustn't miff he mustn't miff we mustn't miff you mustn't miff they mustn't miff	I mustn't be miffing you mustn't be miffing he mustn't be miffing we mustn't be miffing you mustn't be miffing they mustn't be miffing
Perfect	V-ing perfect
I mustn't have miffed you mustn't have miffed he mustn't have miffed we mustn't have miffed you mustn't have miffed they mustn't have miffed	I mustn't have been miffing you mustn't have been miffing he mustn't have been miffing we mustn't have been miffing you mustn't have been miffing they mustn't have been miffing

Interrogative form

Simple form	V-ing form
must I miff? must you miff? must he miff? must we miff? must you miff? must they miff?	must I be miffing? must you be miffing? must he be miffing? must we be miffing? must you be miffing? must they be miffing?
Perfect	V-ing perfect
must I have miffed? must you have miffed? must he have miffed? must we have miffed? must you have miffed? must they have miffed?	must I have been miffing? must you have been miffing? must he have been miffing? must we have been miffing? must you have been miffing? must they have been miffing?

Interro-negative form

Simple form	V-ing form
mustn't I miff? mustn't you miff? mustn't he miff? mustn't we miff? mustn't you miff? mustn't they miff?	mustn't I be miffing? mustn't you be miffing? mustn't he be miffing? mustn't we be miffing? mustn't you be miffing? mustn't they be miffing?
Perfect	V-ing perfect
mustn't I have miffed? mustn't you have miffed? mustn't he have miffed? mustn't we have miffed? mustn't you have miffed? mustn't they have miffed?	mustn't I have been miffing? mustn't you have been miffing? mustn't he have been miffing? mustn't we have been miffing? mustn't you have been miffing? mustn't they have been miffing?