I may interchange you may interchange he may interchange we may interchange you may interchange they may interchange
V-ing form
I may be interchanging you may be interchanging he may be interchanging we may be interchanging you may be interchanging they may be interchanging
Perfect
I may have interchanged you may have interchanged he may have interchanged we may have interchanged you may have interchanged they may have interchanged
V-ing perfect
I may have been interchanging you may have been interchanging he may have been interchanging we may have been interchanging you may have been interchanging they may have been interchanging
Negation
Simple form
I mayn't interchange you mayn't interchange he mayn't interchange we mayn't interchange you mayn't interchange they mayn't interchange
V-ing form
I mayn't be interchanging you mayn't be interchanging he mayn't be interchanging we mayn't be interchanging you mayn't be interchanging they mayn't be interchanging
Perfect
I mayn't have interchanged you mayn't have interchanged he mayn't have interchanged we mayn't have interchanged you mayn't have interchanged they mayn't have interchanged
V-ing perfect
I mayn't have been interchanging you mayn't have been interchanging he mayn't have been interchanging we mayn't have been interchanging you mayn't have been interchanging they mayn't have been interchanging
Interrogative form
Simple form
may I interchange? may you interchange? may he interchange? may we interchange? may you interchange? may they interchange?
V-ing form
may I be interchanging? may you be interchanging? may he be interchanging? may we be interchanging? may you be interchanging? may they be interchanging?
Perfect
may I have interchanged? may you have interchanged? may he have interchanged? may we have interchanged? may you have interchanged? may they have interchanged?
V-ing perfect
may I have been interchanging? may you have been interchanging? may he have been interchanging? may we have been interchanging? may you have been interchanging? may they have been interchanging?
Interro-negative form
Simple form
mayn't I interchange? mayn't you interchange? mayn't he interchange? mayn't we interchange? mayn't you interchange? mayn't they interchange?
V-ing form
mayn't I be interchanging? mayn't you be interchanging? mayn't he be interchanging? mayn't we be interchanging? mayn't you be interchanging? mayn't they be interchanging?
Perfect
mayn't I have interchanged? mayn't you have interchanged? mayn't he have interchanged? mayn't we have interchanged? mayn't you have interchanged? mayn't they have interchanged?
V-ing perfect
mayn't I have been interchanging? mayn't you have been interchanging? mayn't he have been interchanging? mayn't we have been interchanging? mayn't you have been interchanging? mayn't they have been interchanging?