should untuck
Regular verb: untuck - untucked- untucked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd untuck
you'd untuck
he'd untuck
we'd untuck
you'd untuck
they'd untuck 	I'd be untucking
you'd be untucking
he'd be untucking
we'd be untucking
you'd be untucking
they'd be untucking	I should've untucked
you should've untucked
he should've untucked
we should've untucked
you should've untucked
they should've untucked	I should've been untucking
you should've been untucking
he should've been untucking
we should've been untucking
you should've been untucking
they should've been untucking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't untuck
you shouldn't untuck
he shouldn't untuck
we shouldn't untuck
you shouldn't untuck
they shouldn't untuck 	I shouldn't be untucking
you shouldn't be untucking
he shouldn't be untucking
we shouldn't be untucking
you shouldn't be untucking
they shouldn't be untucking	I shouldn't have untucked
you shouldn't have untucked
he shouldn't have untucked
we shouldn't have untucked
you shouldn't have untucked
they shouldn't have untucked	I shouldn't have been untucking
you shouldn't have been untucking
he shouldn't have been untucking
we shouldn't have been untucking
you shouldn't have been untucking
they shouldn't have been untucking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I untuck?
should you untuck?
should he untuck?
should we untuck?
should you untuck?
should they untuck? 	should I be untucking?
should you be untucking?
should he be untucking?
should we be untucking?
should you be untucking?
should they be untucking? 	should I have untucked?
should you have untucked?
should he have untucked?
should we have untucked?
should you have untucked?
should they have untucked? 	should I have been untucking?
should you have been untucking?
should he have been untucking?
should we have been untucking?
should you have been untucking?
should they have been untucking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I untuck?
shouldn't you untuck?
shouldn't he untuck?
shouldn't we untuck?
shouldn't you untuck?
shouldn't they untuck? 	shouldn't I be untucking?
shouldn't you be untucking?
shouldn't he be untucking?
shouldn't we be untucking?
shouldn't you be untucking?
shouldn't they be untucking? 	shouldn't I have untucked?
shouldn't you have untucked?
shouldn't he have untucked?
shouldn't we have untucked?
shouldn't you have untucked?
shouldn't they have untucked? 	shouldn't I have been untucking?
shouldn't you have been untucking?
shouldn't he have been untucking?
shouldn't we have been untucking?
shouldn't you have been untucking?
shouldn't they have been untucking?