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 couldn't untuck
you couldn't untuck
he couldn't untuck
we couldn't untuck
you couldn't untuck
they couldn't untuck 	I couldn't be untucking
you couldn't be untucking
he couldn't be untucking
we couldn't be untucking
you couldn't be untucking
they couldn't be untucking	I couldn't have untucked
you couldn't have untucked
he couldn't have untucked
we couldn't have untucked
you couldn't have untucked
they couldn't have untucked	I couldn't have been untucking
you couldn't have been untucking
he couldn't have been untucking
we couldn't have been untucking
you couldn't have been untucking
they couldn't 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 	
couldn't I untuck?
couldn't you untuck?
couldn't he untuck?
couldn't we untuck?
couldn't you untuck?
couldn't they untuck? 	couldn't I be untucking?
couldn't you be untucking?
couldn't he be untucking?
couldn't we be untucking?
couldn't you be untucking?
couldn't they be untucking? 	couldn't I have untucked?
couldn't you have untucked?
couldn't he have untucked?
couldn't we have untucked?
couldn't you have untucked?
couldn't they have untucked? 	couldn't I have been untucking?
couldn't you have been untucking?
couldn't he have been untucking?
couldn't we have been untucking?
couldn't you have been untucking?
couldn't they have been untucking?