could untuck
Verbe régulier : untuck - untucked- untucked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could untuck
you could untuck
he could untuck
we could untuck
you could untuck
they could untuck 	I could be untucking
you could be untucking
he could be untucking
we could be untucking
you could be untucking
they could be untucking	I could have untucked
you could have untucked
he could have untucked
we could have untucked
you could have untucked
they could have untucked	I could have been untucking
you could have been untucking
he could have been untucking
we could have been untucking
you could have been untucking
they could have been untucking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not untuck
you could not untuck
he could not untuck
we could not untuck
you could not untuck
they could not untuck 	I could not be untucking
you could not be untucking
he could not be untucking
we could not be untucking
you could not be untucking
they could not be untucking	I could not have untucked
you could not have untucked
he could not have untucked
we could not have untucked
you could not have untucked
they could not have untucked	I could not have been untucking
you could not have been untucking
he could not have been untucking
we could not have been untucking
you could not have been untucking
they could not have been untucking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I untuck?
could you untuck?
could he untuck?
could we untuck?
could you untuck?
could they untuck? 	could I be untucking?
could you be untucking?
could he be untucking?
could we be untucking?
could you be untucking?
could they be untucking? 	could I have untucked?
could you have untucked?
could he have untucked?
could we have untucked?
could you have untucked?
could they have untucked? 	could I have been untucking?
could you have been untucking?
could he have been untucking?
could we have been untucking?
could you have been untucking?
could they have been untucking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not untuck?
could you not untuck?
could he not untuck?
could we not untuck?
could you not untuck?
could they not untuck? 	could I not be untucking?
could you not be untucking?
could he not be untucking?
could we not be untucking?
could you not be untucking?
could they not be untucking? 	could I not have untucked?
could you not have untucked?
could he not have untucked?
could we not have untucked?
could you not have untucked?
could they not have untucked? 	could I not have been untucking?
could you not have been untucking?
could he not have been untucking?
could we not have been untucking?
could you not have been untucking?
could they not have been untucking?