English verb conjugation
COULD UNCOUPLE

Regular verb: uncouple - uncoupled - uncoupled

Affirmation

Simple form	V-ing form
I could uncouple you could uncouple she could uncouple we could uncouple you could uncouple they could uncouple	I could be uncoupling you could be uncoupling she 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 she 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 she 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 she 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 she 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 she 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 she 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 she uncouple? could we uncouple? could you uncouple? could they uncouple?	could I be uncoupling? could you be uncoupling? could she 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 she 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 she 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 she 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 she 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 she 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 she have been uncoupling? couldn't we have been uncoupling? couldn't you have been uncoupling? couldn't they have been uncoupling?