must blast
Regular verb: blast - blasted- blasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must blast
you must blast
he must blast
we must blast
you must blast
they must blast 	I must be blasting
you must be blasting
he must be blasting
we must be blasting
you must be blasting
they must be blasting	I must have blasted
you must have blasted
he 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
he 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 must not blast
you must not blast
he must not blast
we must not blast
you must not blast
they must not blast 	I must not be blasting
you must not be blasting
he must not be blasting
we must not be blasting
you must not be blasting
they must not be blasting	I must not have blasted
you must not have blasted
he must not have blasted
we must not have blasted
you must not have blasted
they must not have blasted	I must not have been blasting
you must not have been blasting
he must not have been blasting
we must not have been blasting
you must not have been blasting
they must not have been blasting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I blast?
must you blast?
must he blast?
must we blast?
must you blast?
must they blast? 	must I be blasting?
must you be blasting?
must he be blasting?
must we be blasting?
must you be blasting?
must they be blasting? 	must I have blasted?
must you have blasted?
must he 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 he 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 	
must I not blast?
must you not blast?
must he not blast?
must we not blast?
must you not blast?
must they not blast? 	must I not be blasting?
must you not be blasting?
must he not be blasting?
must we not be blasting?
must you not be blasting?
must they not be blasting? 	must I not have blasted?
must you not have blasted?
must he not have blasted?
must we not have blasted?
must you not have blasted?
must they not have blasted? 	must I not have been blasting?
must you not have been blasting?
must he not have been blasting?
must we not have been blasting?
must you not have been blasting?
must they not have been blasting?