English verb conjugation
COULD UNCAP

Regular verb: uncap - uncapped - uncapped

Affirmation

Simple form	V-ing form
I could uncap you could uncap she could uncap we could uncap you could uncap they could uncap	I could be uncapping you could be uncapping she could be uncapping we could be uncapping you could be uncapping they could be uncapping
Perfect	V-ing perfect
I could have uncapped you could have uncapped she could have uncapped we could have uncapped you could have uncapped they could have uncapped	I could have been uncapping you could have been uncapping she could have been uncapping we could have been uncapping you could have been uncapping they could have been uncapping

Negation

Simple form	V-ing form
I couldn't uncap you couldn't uncap she couldn't uncap we couldn't uncap you couldn't uncap they couldn't uncap	I couldn't be uncapping you couldn't be uncapping she couldn't be uncapping we couldn't be uncapping you couldn't be uncapping they couldn't be uncapping
Perfect	V-ing perfect
I couldn't have uncapped you couldn't have uncapped she couldn't have uncapped we couldn't have uncapped you couldn't have uncapped they couldn't have uncapped	I couldn't have been uncapping you couldn't have been uncapping she couldn't have been uncapping we couldn't have been uncapping you couldn't have been uncapping they couldn't have been uncapping

Interrogative form

Simple form	V-ing form
could I uncap? could you uncap? could she uncap? could we uncap? could you uncap? could they uncap?	could I be uncapping? could you be uncapping? could she be uncapping? could we be uncapping? could you be uncapping? could they be uncapping?
Perfect	V-ing perfect
could I have uncapped? could you have uncapped? could she have uncapped? could we have uncapped? could you have uncapped? could they have uncapped?	could I have been uncapping? could you have been uncapping? could she have been uncapping? could we have been uncapping? could you have been uncapping? could they have been uncapping?

Interro-negative form

Simple form	V-ing form
couldn't I uncap? couldn't you uncap? couldn't she uncap? couldn't we uncap? couldn't you uncap? couldn't they uncap?	couldn't I be uncapping? couldn't you be uncapping? couldn't she be uncapping? couldn't we be uncapping? couldn't you be uncapping? couldn't they be uncapping?
Perfect	V-ing perfect
couldn't I have uncapped? couldn't you have uncapped? couldn't she have uncapped? couldn't we have uncapped? couldn't you have uncapped? couldn't they have uncapped?	couldn't I have been uncapping? couldn't you have been uncapping? couldn't she have been uncapping? couldn't we have been uncapping? couldn't you have been uncapping? couldn't they have been uncapping?