could blast
Regular verb: blast - blasted- blasted

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

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

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

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