could stage-manage
Regular verb: stage-manage - stage-managed- stage-managed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could stage-manage
you could stage-manage
he could stage-manage
we could stage-manage
you could stage-manage
they could stage-manage 	I could be stage-managing
you could be stage-managing
he could be stage-managing
we could be stage-managing
you could be stage-managing
they could be stage-managing	I could have stage-managed
you could have stage-managed
he could have stage-managed
we could have stage-managed
you could have stage-managed
they could have stage-managed	I could have been stage-managing
you could have been stage-managing
he could have been stage-managing
we could have been stage-managing
you could have been stage-managing
they could have been stage-managing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't stage-manage
you couldn't stage-manage
he couldn't stage-manage
we couldn't stage-manage
you couldn't stage-manage
they couldn't stage-manage 	I couldn't be stage-managing
you couldn't be stage-managing
he couldn't be stage-managing
we couldn't be stage-managing
you couldn't be stage-managing
they couldn't be stage-managing	I couldn't have stage-managed
you couldn't have stage-managed
he couldn't have stage-managed
we couldn't have stage-managed
you couldn't have stage-managed
they couldn't have stage-managed	I couldn't have been stage-managing
you couldn't have been stage-managing
he couldn't have been stage-managing
we couldn't have been stage-managing
you couldn't have been stage-managing
they couldn't have been stage-managing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I stage-manage?
could you stage-manage?
could he stage-manage?
could we stage-manage?
could you stage-manage?
could they stage-manage? 	could I be stage-managing?
could you be stage-managing?
could he be stage-managing?
could we be stage-managing?
could you be stage-managing?
could they be stage-managing? 	could I have stage-managed?
could you have stage-managed?
could he have stage-managed?
could we have stage-managed?
could you have stage-managed?
could they have stage-managed? 	could I have been stage-managing?
could you have been stage-managing?
could he have been stage-managing?
could we have been stage-managing?
could you have been stage-managing?
could they have been stage-managing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I stage-manage?
couldn't you stage-manage?
couldn't he stage-manage?
couldn't we stage-manage?
couldn't you stage-manage?
couldn't they stage-manage? 	couldn't I be stage-managing?
couldn't you be stage-managing?
couldn't he be stage-managing?
couldn't we be stage-managing?
couldn't you be stage-managing?
couldn't they be stage-managing? 	couldn't I have stage-managed?
couldn't you have stage-managed?
couldn't he have stage-managed?
couldn't we have stage-managed?
couldn't you have stage-managed?
couldn't they have stage-managed? 	couldn't I have been stage-managing?
couldn't you have been stage-managing?
couldn't he have been stage-managing?
couldn't we have been stage-managing?
couldn't you have been stage-managing?
couldn't they have been stage-managing?