should unloosen
Regular verb: unloosen - unloosened- unloosened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd unloosen
you'd unloosen
he'd unloosen
we'd unloosen
you'd unloosen
they'd unloosen 	I'd be unloosening
you'd be unloosening
he'd be unloosening
we'd be unloosening
you'd be unloosening
they'd be unloosening	I should've unloosened
you should've unloosened
he should've unloosened
we should've unloosened
you should've unloosened
they should've unloosened	I should've been unloosening
you should've been unloosening
he should've been unloosening
we should've been unloosening
you should've been unloosening
they should've been unloosening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't unloosen
you shouldn't unloosen
he shouldn't unloosen
we shouldn't unloosen
you shouldn't unloosen
they shouldn't unloosen 	I shouldn't be unloosening
you shouldn't be unloosening
he shouldn't be unloosening
we shouldn't be unloosening
you shouldn't be unloosening
they shouldn't be unloosening	I shouldn't have unloosened
you shouldn't have unloosened
he shouldn't have unloosened
we shouldn't have unloosened
you shouldn't have unloosened
they shouldn't have unloosened	I shouldn't have been unloosening
you shouldn't have been unloosening
he shouldn't have been unloosening
we shouldn't have been unloosening
you shouldn't have been unloosening
they shouldn't have been unloosening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unloosen?
should you unloosen?
should he unloosen?
should we unloosen?
should you unloosen?
should they unloosen? 	should I be unloosening?
should you be unloosening?
should he be unloosening?
should we be unloosening?
should you be unloosening?
should they be unloosening? 	should I have unloosened?
should you have unloosened?
should he have unloosened?
should we have unloosened?
should you have unloosened?
should they have unloosened? 	should I have been unloosening?
should you have been unloosening?
should he have been unloosening?
should we have been unloosening?
should you have been unloosening?
should they have been unloosening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I unloosen?
shouldn't you unloosen?
shouldn't he unloosen?
shouldn't we unloosen?
shouldn't you unloosen?
shouldn't they unloosen? 	shouldn't I be unloosening?
shouldn't you be unloosening?
shouldn't he be unloosening?
shouldn't we be unloosening?
shouldn't you be unloosening?
shouldn't they be unloosening? 	shouldn't I have unloosened?
shouldn't you have unloosened?
shouldn't he have unloosened?
shouldn't we have unloosened?
shouldn't you have unloosened?
shouldn't they have unloosened? 	shouldn't I have been unloosening?
shouldn't you have been unloosening?
shouldn't he have been unloosening?
shouldn't we have been unloosening?
shouldn't you have been unloosening?
shouldn't they have been unloosening?