should preexchange
Regular verb: preexchange - preexchanged- preexchanged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd preexchange
you'd preexchange
he'd preexchange
we'd preexchange
you'd preexchange
they'd preexchange 	I'd be preexchanging
you'd be preexchanging
he'd be preexchanging
we'd be preexchanging
you'd be preexchanging
they'd be preexchanging	I should've preexchanged
you should've preexchanged
he should've preexchanged
we should've preexchanged
you should've preexchanged
they should've preexchanged	I should've been preexchanging
you should've been preexchanging
he should've been preexchanging
we should've been preexchanging
you should've been preexchanging
they should've been preexchanging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't preexchange
you shouldn't preexchange
he shouldn't preexchange
we shouldn't preexchange
you shouldn't preexchange
they shouldn't preexchange 	I shouldn't be preexchanging
you shouldn't be preexchanging
he shouldn't be preexchanging
we shouldn't be preexchanging
you shouldn't be preexchanging
they shouldn't be preexchanging	I shouldn't have preexchanged
you shouldn't have preexchanged
he shouldn't have preexchanged
we shouldn't have preexchanged
you shouldn't have preexchanged
they shouldn't have preexchanged	I shouldn't have been preexchanging
you shouldn't have been preexchanging
he shouldn't have been preexchanging
we shouldn't have been preexchanging
you shouldn't have been preexchanging
they shouldn't have been preexchanging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I preexchange?
should you preexchange?
should he preexchange?
should we preexchange?
should you preexchange?
should they preexchange? 	should I be preexchanging?
should you be preexchanging?
should he be preexchanging?
should we be preexchanging?
should you be preexchanging?
should they be preexchanging? 	should I have preexchanged?
should you have preexchanged?
should he have preexchanged?
should we have preexchanged?
should you have preexchanged?
should they have preexchanged? 	should I have been preexchanging?
should you have been preexchanging?
should he have been preexchanging?
should we have been preexchanging?
should you have been preexchanging?
should they have been preexchanging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I preexchange?
shouldn't you preexchange?
shouldn't he preexchange?
shouldn't we preexchange?
shouldn't you preexchange?
shouldn't they preexchange? 	shouldn't I be preexchanging?
shouldn't you be preexchanging?
shouldn't he be preexchanging?
shouldn't we be preexchanging?
shouldn't you be preexchanging?
shouldn't they be preexchanging? 	shouldn't I have preexchanged?
shouldn't you have preexchanged?
shouldn't he have preexchanged?
shouldn't we have preexchanged?
shouldn't you have preexchanged?
shouldn't they have preexchanged? 	shouldn't I have been preexchanging?
shouldn't you have been preexchanging?
shouldn't he have been preexchanging?
shouldn't we have been preexchanging?
shouldn't you have been preexchanging?
shouldn't they have been preexchanging?