English verb conjugation
COULD STAGE-MANAGE

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

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?