English verb conjugation
COULD UNCOUPLE

Regular verb: uncouple - uncoupled - uncoupled

Affirmation

Simple form	V-ing form
I could uncouple you could uncouple he could uncouple we could uncouple you could uncouple they could uncouple	I could be uncoupling you could be uncoupling he could be uncoupling we could be uncoupling you could be uncoupling they could be uncoupling
Perfect	V-ing perfect
I could have uncoupled you could have uncoupled he could have uncoupled we could have uncoupled you could have uncoupled they could have uncoupled	I could have been uncoupling you could have been uncoupling he could have been uncoupling we could have been uncoupling you could have been uncoupling they could have been uncoupling

Negation

Simple form	V-ing form
I couldn't uncouple you couldn't uncouple he couldn't uncouple we couldn't uncouple you couldn't uncouple they couldn't uncouple	I couldn't be uncoupling you couldn't be uncoupling he couldn't be uncoupling we couldn't be uncoupling you couldn't be uncoupling they couldn't be uncoupling
Perfect	V-ing perfect
I couldn't have uncoupled you couldn't have uncoupled he couldn't have uncoupled we couldn't have uncoupled you couldn't have uncoupled they couldn't have uncoupled	I couldn't have been uncoupling you couldn't have been uncoupling he couldn't have been uncoupling we couldn't have been uncoupling you couldn't have been uncoupling they couldn't have been uncoupling

Interrogative form

Simple form	V-ing form
could I uncouple? could you uncouple? could he uncouple? could we uncouple? could you uncouple? could they uncouple?	could I be uncoupling? could you be uncoupling? could he be uncoupling? could we be uncoupling? could you be uncoupling? could they be uncoupling?
Perfect	V-ing perfect
could I have uncoupled? could you have uncoupled? could he have uncoupled? could we have uncoupled? could you have uncoupled? could they have uncoupled?	could I have been uncoupling? could you have been uncoupling? could he have been uncoupling? could we have been uncoupling? could you have been uncoupling? could they have been uncoupling?

Interro-negative form

Simple form	V-ing form
couldn't I uncouple? couldn't you uncouple? couldn't he uncouple? couldn't we uncouple? couldn't you uncouple? couldn't they uncouple?	couldn't I be uncoupling? couldn't you be uncoupling? couldn't he be uncoupling? couldn't we be uncoupling? couldn't you be uncoupling? couldn't they be uncoupling?
Perfect	V-ing perfect
couldn't I have uncoupled? couldn't you have uncoupled? couldn't he have uncoupled? couldn't we have uncoupled? couldn't you have uncoupled? couldn't they have uncoupled?	couldn't I have been uncoupling? couldn't you have been uncoupling? couldn't he have been uncoupling? couldn't we have been uncoupling? couldn't you have been uncoupling? couldn't they have been uncoupling?