must brail
Regular verb: brail - brailed- brailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must brail
you must brail
she must brail
we must brail
you must brail
they must brail 	I must be brailing
you must be brailing
she must be brailing
we must be brailing
you must be brailing
they must be brailing	I must have brailed
you must have brailed
she must have brailed
we must have brailed
you must have brailed
they must have brailed	I must have been brailing
you must have been brailing
she must have been brailing
we must have been brailing
you must have been brailing
they must have been brailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't brail
you mustn't brail
she mustn't brail
we mustn't brail
you mustn't brail
they mustn't brail 	I mustn't be brailing
you mustn't be brailing
she mustn't be brailing
we mustn't be brailing
you mustn't be brailing
they mustn't be brailing	I mustn't have brailed
you mustn't have brailed
she mustn't have brailed
we mustn't have brailed
you mustn't have brailed
they mustn't have brailed	I mustn't have been brailing
you mustn't have been brailing
she mustn't have been brailing
we mustn't have been brailing
you mustn't have been brailing
they mustn't have been brailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I brail?
must you brail?
must she brail?
must we brail?
must you brail?
must they brail? 	must I be brailing?
must you be brailing?
must she be brailing?
must we be brailing?
must you be brailing?
must they be brailing? 	must I have brailed?
must you have brailed?
must she have brailed?
must we have brailed?
must you have brailed?
must they have brailed? 	must I have been brailing?
must you have been brailing?
must she have been brailing?
must we have been brailing?
must you have been brailing?
must they have been brailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I brail?
mustn't you brail?
mustn't she brail?
mustn't we brail?
mustn't you brail?
mustn't they brail? 	mustn't I be brailing?
mustn't you be brailing?
mustn't she be brailing?
mustn't we be brailing?
mustn't you be brailing?
mustn't they be brailing? 	mustn't I have brailed?
mustn't you have brailed?
mustn't she have brailed?
mustn't we have brailed?
mustn't you have brailed?
mustn't they have brailed? 	mustn't I have been brailing?
mustn't you have been brailing?
mustn't she have been brailing?
mustn't we have been brailing?
mustn't you have been brailing?
mustn't they have been brailing?