should interchange
Regular verb: interchange - interchanged- interchanged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd interchange
you'd interchange
she'd interchange
we'd interchange
you'd interchange
they'd interchange 	I'd be interchanging
you'd be interchanging
she'd be interchanging
we'd be interchanging
you'd be interchanging
they'd be interchanging	I should've interchanged
you should've interchanged
she should've interchanged
we should've interchanged
you should've interchanged
they should've interchanged	I should've been interchanging
you should've been interchanging
she should've been interchanging
we should've been interchanging
you should've been interchanging
they should've been interchanging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't interchange
you shouldn't interchange
she shouldn't interchange
we shouldn't interchange
you shouldn't interchange
they shouldn't interchange 	I shouldn't be interchanging
you shouldn't be interchanging
she shouldn't be interchanging
we shouldn't be interchanging
you shouldn't be interchanging
they shouldn't be interchanging	I shouldn't have interchanged
you shouldn't have interchanged
she shouldn't have interchanged
we shouldn't have interchanged
you shouldn't have interchanged
they shouldn't have interchanged	I shouldn't have been interchanging
you shouldn't have been interchanging
she shouldn't have been interchanging
we shouldn't have been interchanging
you shouldn't have been interchanging
they shouldn't have been interchanging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I interchange?
should you interchange?
should she interchange?
should we interchange?
should you interchange?
should they interchange? 	should I be interchanging?
should you be interchanging?
should she be interchanging?
should we be interchanging?
should you be interchanging?
should they be interchanging? 	should I have interchanged?
should you have interchanged?
should she have interchanged?
should we have interchanged?
should you have interchanged?
should they have interchanged? 	should I have been interchanging?
should you have been interchanging?
should she have been interchanging?
should we have been interchanging?
should you have been interchanging?
should they have been interchanging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I interchange?
shouldn't you interchange?
shouldn't she interchange?
shouldn't we interchange?
shouldn't you interchange?
shouldn't they interchange? 	shouldn't I be interchanging?
shouldn't you be interchanging?
shouldn't she be interchanging?
shouldn't we be interchanging?
shouldn't you be interchanging?
shouldn't they be interchanging? 	shouldn't I have interchanged?
shouldn't you have interchanged?
shouldn't she have interchanged?
shouldn't we have interchanged?
shouldn't you have interchanged?
shouldn't they have interchanged? 	shouldn't I have been interchanging?
shouldn't you have been interchanging?
shouldn't she have been interchanging?
shouldn't we have been interchanging?
shouldn't you have been interchanging?
shouldn't they have been interchanging?