must blast
Regular verb: blast - blasted- blasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must blast
you must blast
she must blast
we must blast
you must blast
they must blast 	I must be blasting
you must be blasting
she must be blasting
we must be blasting
you must be blasting
they must be blasting	I must have blasted
you must have blasted
she must have blasted
we must have blasted
you must have blasted
they must have blasted	I must have been blasting
you must have been blasting
she must have been blasting
we must have been blasting
you must have been blasting
they must have been blasting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't blast
you mustn't blast
she mustn't blast
we mustn't blast
you mustn't blast
they mustn't blast 	I mustn't be blasting
you mustn't be blasting
she mustn't be blasting
we mustn't be blasting
you mustn't be blasting
they mustn't be blasting	I mustn't have blasted
you mustn't have blasted
she mustn't have blasted
we mustn't have blasted
you mustn't have blasted
they mustn't have blasted	I mustn't have been blasting
you mustn't have been blasting
she mustn't have been blasting
we mustn't have been blasting
you mustn't have been blasting
they mustn't have been blasting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I blast?
must you blast?
must she blast?
must we blast?
must you blast?
must they blast? 	must I be blasting?
must you be blasting?
must she be blasting?
must we be blasting?
must you be blasting?
must they be blasting? 	must I have blasted?
must you have blasted?
must she have blasted?
must we have blasted?
must you have blasted?
must they have blasted? 	must I have been blasting?
must you have been blasting?
must she have been blasting?
must we have been blasting?
must you have been blasting?
must they have been blasting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I blast?
mustn't you blast?
mustn't she blast?
mustn't we blast?
mustn't you blast?
mustn't they blast? 	mustn't I be blasting?
mustn't you be blasting?
mustn't she be blasting?
mustn't we be blasting?
mustn't you be blasting?
mustn't they be blasting? 	mustn't I have blasted?
mustn't you have blasted?
mustn't she have blasted?
mustn't we have blasted?
mustn't you have blasted?
mustn't they have blasted? 	mustn't I have been blasting?
mustn't you have been blasting?
mustn't she have been blasting?
mustn't we have been blasting?
mustn't you have been blasting?
mustn't they have been blasting?