should interchange
Verbo regular: interchange - interchanged- interchanged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should interchange
you should interchange
she should interchange
we should interchange
you should interchange
they should interchange 	I should be interchanging
you should be interchanging
she should be interchanging
we should be interchanging
you should be interchanging
they should be interchanging	I should have interchanged
you should have interchanged
she should have interchanged
we should have interchanged
you should have interchanged
they should have interchanged	I should have been interchanging
you should have been interchanging
she should have been interchanging
we should have been interchanging
you should have been interchanging
they should have been interchanging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not interchange
you should not interchange
she should not interchange
we should not interchange
you should not interchange
they should not interchange 	I should not be interchanging
you should not be interchanging
she should not be interchanging
we should not be interchanging
you should not be interchanging
they should not be interchanging	I should not have interchanged
you should not have interchanged
she should not have interchanged
we should not have interchanged
you should not have interchanged
they should not have interchanged	I should not have been interchanging
you should not have been interchanging
she should not have been interchanging
we should not have been interchanging
you should not have been interchanging
they should not have been interchanging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not interchange?
should you not interchange?
should she not interchange?
should we not interchange?
should you not interchange?
should they not interchange? 	should I not be interchanging?
should you not be interchanging?
should she not be interchanging?
should we not be interchanging?
should you not be interchanging?
should they not be interchanging? 	should I not have interchanged?
should you not have interchanged?
should she not have interchanged?
should we not have interchanged?
should you not have interchanged?
should they not have interchanged? 	should I not have been interchanging?
should you not have been interchanging?
should she not have been interchanging?
should we not have been interchanging?
should you not have been interchanging?
should they not have been interchanging?