should preexchange
Regular verb: preexchange - preexchanged- preexchanged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd preexchange
you'd preexchange
she'd preexchange
we'd preexchange
you'd preexchange
they'd preexchange 	I'd be preexchanging
you'd be preexchanging
she'd be preexchanging
we'd be preexchanging
you'd be preexchanging
they'd be preexchanging	I should've preexchanged
you should've preexchanged
she 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
she 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
she 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
she 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
she 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
she 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 she preexchange?
should we preexchange?
should you preexchange?
should they preexchange? 	should I be preexchanging?
should you be preexchanging?
should she be preexchanging?
should we be preexchanging?
should you be preexchanging?
should they be preexchanging? 	should I have preexchanged?
should you have preexchanged?
should she 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 she 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 she 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 she 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 she 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 she have been preexchanging?
shouldn't we have been preexchanging?
shouldn't you have been preexchanging?
shouldn't they have been preexchanging?