could dispel
Regular verb: dispel - dispelled- dispelled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dispel
you could dispel
she could dispel
we could dispel
you could dispel
they could dispel 	I could be dispelling
you could be dispelling
she could be dispelling
we could be dispelling
you could be dispelling
they could be dispelling	I could have dispelled
you could have dispelled
she could have dispelled
we could have dispelled
you could have dispelled
they could have dispelled	I could have been dispelling
you could have been dispelling
she could have been dispelling
we could have been dispelling
you could have been dispelling
they could have been dispelling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dispel
you couldn't dispel
she couldn't dispel
we couldn't dispel
you couldn't dispel
they couldn't dispel 	I couldn't be dispelling
you couldn't be dispelling
she couldn't be dispelling
we couldn't be dispelling
you couldn't be dispelling
they couldn't be dispelling	I couldn't have dispelled
you couldn't have dispelled
she couldn't have dispelled
we couldn't have dispelled
you couldn't have dispelled
they couldn't have dispelled	I couldn't have been dispelling
you couldn't have been dispelling
she couldn't have been dispelling
we couldn't have been dispelling
you couldn't have been dispelling
they couldn't have been dispelling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dispel?
could you dispel?
could she dispel?
could we dispel?
could you dispel?
could they dispel? 	could I be dispelling?
could you be dispelling?
could she be dispelling?
could we be dispelling?
could you be dispelling?
could they be dispelling? 	could I have dispelled?
could you have dispelled?
could she have dispelled?
could we have dispelled?
could you have dispelled?
could they have dispelled? 	could I have been dispelling?
could you have been dispelling?
could she have been dispelling?
could we have been dispelling?
could you have been dispelling?
could they have been dispelling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dispel?
couldn't you dispel?
couldn't she dispel?
couldn't we dispel?
couldn't you dispel?
couldn't they dispel? 	couldn't I be dispelling?
couldn't you be dispelling?
couldn't she be dispelling?
couldn't we be dispelling?
couldn't you be dispelling?
couldn't they be dispelling? 	couldn't I have dispelled?
couldn't you have dispelled?
couldn't she have dispelled?
couldn't we have dispelled?
couldn't you have dispelled?
couldn't they have dispelled? 	couldn't I have been dispelling?
couldn't you have been dispelling?
couldn't she have been dispelling?
couldn't we have been dispelling?
couldn't you have been dispelling?
couldn't they have been dispelling?