should unstring
Irregular verb: unstring - unstrung- unstrung

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should unstring
you should unstring
she should unstring
we should unstring
you should unstring
they should unstring 	I should be unstringing
you should be unstringing
she should be unstringing
we should be unstringing
you should be unstringing
they should be unstringing	I should have unstrung
you should have unstrung
she should have unstrung
we should have unstrung
you should have unstrung
they should have unstrung	I should have been unstringing
you should have been unstringing
she should have been unstringing
we should have been unstringing
you should have been unstringing
they should have been unstringing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not unstring
you should not unstring
she should not unstring
we should not unstring
you should not unstring
they should not unstring 	I should not be unstringing
you should not be unstringing
she should not be unstringing
we should not be unstringing
you should not be unstringing
they should not be unstringing	I should not have unstrung
you should not have unstrung
she should not have unstrung
we should not have unstrung
you should not have unstrung
they should not have unstrung	I should not have been unstringing
you should not have been unstringing
she should not have been unstringing
we should not have been unstringing
you should not have been unstringing
they should not have been unstringing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I unstring?
should you unstring?
should she unstring?
should we unstring?
should you unstring?
should they unstring? 	should I be unstringing?
should you be unstringing?
should she be unstringing?
should we be unstringing?
should you be unstringing?
should they be unstringing? 	should I have unstrung?
should you have unstrung?
should she have unstrung?
should we have unstrung?
should you have unstrung?
should they have unstrung? 	should I have been unstringing?
should you have been unstringing?
should she have been unstringing?
should we have been unstringing?
should you have been unstringing?
should they have been unstringing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not unstring?
should you not unstring?
should she not unstring?
should we not unstring?
should you not unstring?
should they not unstring? 	should I not be unstringing?
should you not be unstringing?
should she not be unstringing?
should we not be unstringing?
should you not be unstringing?
should they not be unstringing? 	should I not have unstrung?
should you not have unstrung?
should she not have unstrung?
should we not have unstrung?
should you not have unstrung?
should they not have unstrung? 	should I not have been unstringing?
should you not have been unstringing?
should she not have been unstringing?
should we not have been unstringing?
should you not have been unstringing?
should they not have been unstringing?