must hail
Regular verb: hail - hailed- hailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must hail
you must hail
she must hail
we must hail
you must hail
they must hail 	I must be hailing
you must be hailing
she must be hailing
we must be hailing
you must be hailing
they must be hailing	I must have hailed
you must have hailed
she must have hailed
we must have hailed
you must have hailed
they must have hailed	I must have been hailing
you must have been hailing
she must have been hailing
we must have been hailing
you must have been hailing
they must have been hailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't hail
you mustn't hail
she mustn't hail
we mustn't hail
you mustn't hail
they mustn't hail 	I mustn't be hailing
you mustn't be hailing
she mustn't be hailing
we mustn't be hailing
you mustn't be hailing
they mustn't be hailing	I mustn't have hailed
you mustn't have hailed
she mustn't have hailed
we mustn't have hailed
you mustn't have hailed
they mustn't have hailed	I mustn't have been hailing
you mustn't have been hailing
she mustn't have been hailing
we mustn't have been hailing
you mustn't have been hailing
they mustn't have been hailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I hail?
must you hail?
must she hail?
must we hail?
must you hail?
must they hail? 	must I be hailing?
must you be hailing?
must she be hailing?
must we be hailing?
must you be hailing?
must they be hailing? 	must I have hailed?
must you have hailed?
must she have hailed?
must we have hailed?
must you have hailed?
must they have hailed? 	must I have been hailing?
must you have been hailing?
must she have been hailing?
must we have been hailing?
must you have been hailing?
must they have been hailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I hail?
mustn't you hail?
mustn't she hail?
mustn't we hail?
mustn't you hail?
mustn't they hail? 	mustn't I be hailing?
mustn't you be hailing?
mustn't she be hailing?
mustn't we be hailing?
mustn't you be hailing?
mustn't they be hailing? 	mustn't I have hailed?
mustn't you have hailed?
mustn't she have hailed?
mustn't we have hailed?
mustn't you have hailed?
mustn't they have hailed? 	mustn't I have been hailing?
mustn't you have been hailing?
mustn't she have been hailing?
mustn't we have been hailing?
mustn't you have been hailing?
mustn't they have been hailing?