English verb conjugation
MUST BLUBBER

Regular verb: blubber - blubbered - blubbered

Affirmation

Simple form	V-ing form
I must blubber you must blubber he must blubber we must blubber you must blubber they must blubber	I must be blubbering you must be blubbering he must be blubbering we must be blubbering you must be blubbering they must be blubbering
Perfect	V-ing perfect
I must have blubbered you must have blubbered he must have blubbered we must have blubbered you must have blubbered they must have blubbered	I must have been blubbering you must have been blubbering he must have been blubbering we must have been blubbering you must have been blubbering they must have been blubbering

Negation

Simple form	V-ing form
I mustn't blubber you mustn't blubber he mustn't blubber we mustn't blubber you mustn't blubber they mustn't blubber	I mustn't be blubbering you mustn't be blubbering he mustn't be blubbering we mustn't be blubbering you mustn't be blubbering they mustn't be blubbering
Perfect	V-ing perfect
I mustn't have blubbered you mustn't have blubbered he mustn't have blubbered we mustn't have blubbered you mustn't have blubbered they mustn't have blubbered	I mustn't have been blubbering you mustn't have been blubbering he mustn't have been blubbering we mustn't have been blubbering you mustn't have been blubbering they mustn't have been blubbering

Interrogative form

Simple form	V-ing form
must I blubber? must you blubber? must he blubber? must we blubber? must you blubber? must they blubber?	must I be blubbering? must you be blubbering? must he be blubbering? must we be blubbering? must you be blubbering? must they be blubbering?
Perfect	V-ing perfect
must I have blubbered? must you have blubbered? must he have blubbered? must we have blubbered? must you have blubbered? must they have blubbered?	must I have been blubbering? must you have been blubbering? must he have been blubbering? must we have been blubbering? must you have been blubbering? must they have been blubbering?

Interro-negative form

Simple form	V-ing form
mustn't I blubber? mustn't you blubber? mustn't he blubber? mustn't we blubber? mustn't you blubber? mustn't they blubber?	mustn't I be blubbering? mustn't you be blubbering? mustn't he be blubbering? mustn't we be blubbering? mustn't you be blubbering? mustn't they be blubbering?
Perfect	V-ing perfect
mustn't I have blubbered? mustn't you have blubbered? mustn't he have blubbered? mustn't we have blubbered? mustn't you have blubbered? mustn't they have blubbered?	mustn't I have been blubbering? mustn't you have been blubbering? mustn't he have been blubbering? mustn't we have been blubbering? mustn't you have been blubbering? mustn't they have been blubbering?