English verb conjugation
COULD UNCRATE

Regular verb: uncrate - uncrated - uncrated

Affirmation

Simple form	V-ing form
I could uncrate you could uncrate he could uncrate we could uncrate you could uncrate they could uncrate	I could be uncrating you could be uncrating he could be uncrating we could be uncrating you could be uncrating they could be uncrating
Perfect	V-ing perfect
I could have uncrated you could have uncrated he could have uncrated we could have uncrated you could have uncrated they could have uncrated	I could have been uncrating you could have been uncrating he could have been uncrating we could have been uncrating you could have been uncrating they could have been uncrating

Negation

Simple form	V-ing form
I could not uncrate you could not uncrate he could not uncrate we could not uncrate you could not uncrate they could not uncrate	I could not be uncrating you could not be uncrating he could not be uncrating we could not be uncrating you could not be uncrating they could not be uncrating
Perfect	V-ing perfect
I could not have uncrated you could not have uncrated he could not have uncrated we could not have uncrated you could not have uncrated they could not have uncrated	I could not have been uncrating you could not have been uncrating he could not have been uncrating we could not have been uncrating you could not have been uncrating they could not have been uncrating

Interrogative form

Simple form	V-ing form
could I uncrate? could you uncrate? could he uncrate? could we uncrate? could you uncrate? could they uncrate?	could I be uncrating? could you be uncrating? could he be uncrating? could we be uncrating? could you be uncrating? could they be uncrating?
Perfect	V-ing perfect
could I have uncrated? could you have uncrated? could he have uncrated? could we have uncrated? could you have uncrated? could they have uncrated?	could I have been uncrating? could you have been uncrating? could he have been uncrating? could we have been uncrating? could you have been uncrating? could they have been uncrating?

Interro-negative form

Simple form	V-ing form
could I not uncrate? could you not uncrate? could he not uncrate? could we not uncrate? could you not uncrate? could they not uncrate?	could I not be uncrating? could you not be uncrating? could he not be uncrating? could we not be uncrating? could you not be uncrating? could they not be uncrating?
Perfect	V-ing perfect
could I not have uncrated? could you not have uncrated? could he not have uncrated? could we not have uncrated? could you not have uncrated? could they not have uncrated?	could I not have been uncrating? could you not have been uncrating? could he not have been uncrating? could we not have been uncrating? could you not have been uncrating? could they not have been uncrating?