English verb conjugation
CAN INTERCHANGE

Regular verb: interchange - interchanged - interchanged

Affirmation

Simple form	V-ing form
I can interchange you can interchange he can interchange we can interchange you can interchange they can interchange	I can be interchanging you can be interchanging he can be interchanging we can be interchanging you can be interchanging they can be interchanging
Perfect	V-ing perfect
I can have interchanged you can have interchanged he can have interchanged we can have interchanged you can have interchanged they can have interchanged	I can have been interchanging you can have been interchanging he can have been interchanging we can have been interchanging you can have been interchanging they can have been interchanging

Negation

Simple form	V-ing form
I cannot interchange you cannot interchange he cannot interchange we cannot interchange you cannot interchange they cannot interchange	I cannot be interchanging you cannot be interchanging he cannot be interchanging we cannot be interchanging you cannot be interchanging they cannot be interchanging
Perfect	V-ing perfect
I cannot have interchanged you cannot have interchanged he cannot have interchanged we cannot have interchanged you cannot have interchanged they cannot have interchanged	I cannot have been interchanging you cannot have been interchanging he cannot have been interchanging we cannot have been interchanging you cannot have been interchanging they cannot have been interchanging

Interrogative form

Simple form	V-ing form
can I interchange? can you interchange? can he interchange? can we interchange? can you interchange? can they interchange?	can I be interchanging? can you be interchanging? can he be interchanging? can we be interchanging? can you be interchanging? can they be interchanging?
Perfect	V-ing perfect
can I have interchanged? can you have interchanged? can he have interchanged? can we have interchanged? can you have interchanged? can they have interchanged?	can I have been interchanging? can you have been interchanging? can he have been interchanging? can we have been interchanging? can you have been interchanging? can they have been interchanging?

Interro-negative form

Simple form	V-ing form
can I not interchange? can you not interchange? can he not interchange? can we not interchange? can you not interchange? can they not interchange?	can I not be interchanging? can you not be interchanging? can he not be interchanging? can we not be interchanging? can you not be interchanging? can they not be interchanging?
Perfect	V-ing perfect
can I not have interchanged? can you not have interchanged? can he not have interchanged? can we not have interchanged? can you not have interchanged? can they not have interchanged?	can I not have been interchanging? can you not have been interchanging? can he not have been interchanging? can we not have been interchanging? can you not have been interchanging? can they not have been interchanging?