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