could unpick
Verbo regular: unpick - unpicked- unpicked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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?