could untack
Verbo regolare: untack - untacked- untacked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could untack
you could untack
she could untack
we could untack
you could untack
they could untack 	I could be untacking
you could be untacking
she could be untacking
we could be untacking
you could be untacking
they could be untacking	I could have untacked
you could have untacked
she could have untacked
we could have untacked
you could have untacked
they could have untacked	I could have been untacking
you could have been untacking
she could have been untacking
we could have been untacking
you could have been untacking
they could have been untacking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not untack
you could not untack
she could not untack
we could not untack
you could not untack
they could not untack 	I could not be untacking
you could not be untacking
she could not be untacking
we could not be untacking
you could not be untacking
they could not be untacking	I could not have untacked
you could not have untacked
she could not have untacked
we could not have untacked
you could not have untacked
they could not have untacked	I could not have been untacking
you could not have been untacking
she could not have been untacking
we could not have been untacking
you could not have been untacking
they could not have been untacking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I untack?
could you untack?
could she untack?
could we untack?
could you untack?
could they untack? 	could I be untacking?
could you be untacking?
could she be untacking?
could we be untacking?
could you be untacking?
could they be untacking? 	could I have untacked?
could you have untacked?
could she have untacked?
could we have untacked?
could you have untacked?
could they have untacked? 	could I have been untacking?
could you have been untacking?
could she have been untacking?
could we have been untacking?
could you have been untacking?
could they have been untacking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not untack?
could you not untack?
could she not untack?
could we not untack?
could you not untack?
could they not untack? 	could I not be untacking?
could you not be untacking?
could she not be untacking?
could we not be untacking?
could you not be untacking?
could they not be untacking? 	could I not have untacked?
could you not have untacked?
could she not have untacked?
could we not have untacked?
could you not have untacked?
could they not have untacked? 	could I not have been untacking?
could you not have been untacking?
could she not have been untacking?
could we not have been untacking?
could you not have been untacking?
could they not have been untacking?