English verb conjugation
COULD UNPICK

Regular verb: unpick - unpicked - unpicked

Affirmation

Simple form	V-ing form
I could unpick you could unpick he could unpick we could unpick you could unpick they could unpick	I could be unpicking you could be unpicking he could be unpicking we could be unpicking you could be unpicking they could be unpicking
Perfect	V-ing perfect
I could have unpicked you could have unpicked he could have unpicked we could have unpicked you could have unpicked they could have unpicked	I could have been unpicking you could have been unpicking he could have been unpicking we could have been unpicking you could have been unpicking they could have been unpicking

Negation

Simple form	V-ing form
I couldn't unpick you couldn't unpick he couldn't unpick we couldn't unpick you couldn't unpick they couldn't unpick	I couldn't be unpicking you couldn't be unpicking he couldn't be unpicking we couldn't be unpicking you couldn't be unpicking they couldn't be unpicking
Perfect	V-ing perfect
I couldn't have unpicked you couldn't have unpicked he couldn't have unpicked we couldn't have unpicked you couldn't have unpicked they couldn't have unpicked	I couldn't have been unpicking you couldn't have been unpicking he couldn't have been unpicking we couldn't have been unpicking you couldn't have been unpicking they couldn't have been unpicking

Interrogative form

Simple form	V-ing form
could I unpick? could you unpick? could he unpick? could we unpick? could you unpick? could they unpick?	could I be unpicking? could you be unpicking? could he be unpicking? could we be unpicking? could you be unpicking? could they be unpicking?
Perfect	V-ing perfect
could I have unpicked? could you have unpicked? could he have unpicked? could we have unpicked? could you have unpicked? could they have unpicked?	could I have been unpicking? could you have been unpicking? could he have been unpicking? could we have been unpicking? could you have been unpicking? could they have been unpicking?

Interro-negative form

Simple form	V-ing form
couldn't I unpick? couldn't you unpick? couldn't he unpick? couldn't we unpick? couldn't you unpick? couldn't they unpick?	couldn't I be unpicking? couldn't you be unpicking? couldn't he be unpicking? couldn't we be unpicking? couldn't you be unpicking? couldn't they be unpicking?
Perfect	V-ing perfect
couldn't I have unpicked? couldn't you have unpicked? couldn't he have unpicked? couldn't we have unpicked? couldn't you have unpicked? couldn't they have unpicked?	couldn't I have been unpicking? couldn't you have been unpicking? couldn't he have been unpicking? couldn't we have been unpicking? couldn't you have been unpicking? couldn't they have been unpicking?