English verb conjugation
MUST PRAWN

Regular verb: prawn - prawned - prawned

Affirmation

Simple form	V-ing form
I must prawn you must prawn he must prawn we must prawn you must prawn they must prawn	I must be prawning you must be prawning he must be prawning we must be prawning you must be prawning they must be prawning
Perfect	V-ing perfect
I must have prawned you must have prawned he must have prawned we must have prawned you must have prawned they must have prawned	I must have been prawning you must have been prawning he must have been prawning we must have been prawning you must have been prawning they must have been prawning

Negation

Simple form	V-ing form
I mustn't prawn you mustn't prawn he mustn't prawn we mustn't prawn you mustn't prawn they mustn't prawn	I mustn't be prawning you mustn't be prawning he mustn't be prawning we mustn't be prawning you mustn't be prawning they mustn't be prawning
Perfect	V-ing perfect
I mustn't have prawned you mustn't have prawned he mustn't have prawned we mustn't have prawned you mustn't have prawned they mustn't have prawned	I mustn't have been prawning you mustn't have been prawning he mustn't have been prawning we mustn't have been prawning you mustn't have been prawning they mustn't have been prawning

Interrogative form

Simple form	V-ing form
must I prawn? must you prawn? must he prawn? must we prawn? must you prawn? must they prawn?	must I be prawning? must you be prawning? must he be prawning? must we be prawning? must you be prawning? must they be prawning?
Perfect	V-ing perfect
must I have prawned? must you have prawned? must he have prawned? must we have prawned? must you have prawned? must they have prawned?	must I have been prawning? must you have been prawning? must he have been prawning? must we have been prawning? must you have been prawning? must they have been prawning?

Interro-negative form

Simple form	V-ing form
mustn't I prawn? mustn't you prawn? mustn't he prawn? mustn't we prawn? mustn't you prawn? mustn't they prawn?	mustn't I be prawning? mustn't you be prawning? mustn't he be prawning? mustn't we be prawning? mustn't you be prawning? mustn't they be prawning?
Perfect	V-ing perfect
mustn't I have prawned? mustn't you have prawned? mustn't he have prawned? mustn't we have prawned? mustn't you have prawned? mustn't they have prawned?	mustn't I have been prawning? mustn't you have been prawning? mustn't he have been prawning? mustn't we have been prawning? mustn't you have been prawning? mustn't they have been prawning?