I may test you may test she may test we may test you may test they may test
V-ing form
I may be testing you may be testing she may be testing we may be testing you may be testing they may be testing
Perfect
I may have tested you may have tested she may have tested we may have tested you may have tested they may have tested
V-ing perfect
I may have been testing you may have been testing she may have been testing we may have been testing you may have been testing they may have been testing
Negation
Simple form
I mayn't test you mayn't test she mayn't test we mayn't test you mayn't test they mayn't test
V-ing form
I mayn't be testing you mayn't be testing she mayn't be testing we mayn't be testing you mayn't be testing they mayn't be testing
Perfect
I mayn't have tested you mayn't have tested she mayn't have tested we mayn't have tested you mayn't have tested they mayn't have tested
V-ing perfect
I mayn't have been testing you mayn't have been testing she mayn't have been testing we mayn't have been testing you mayn't have been testing they mayn't have been testing
Interrogative form
Simple form
may I test? may you test? may she test? may we test? may you test? may they test?
V-ing form
may I be testing? may you be testing? may she be testing? may we be testing? may you be testing? may they be testing?
Perfect
may I have tested? may you have tested? may she have tested? may we have tested? may you have tested? may they have tested?
V-ing perfect
may I have been testing? may you have been testing? may she have been testing? may we have been testing? may you have been testing? may they have been testing?
Interro-negative form
Simple form
mayn't I test? mayn't you test? mayn't she test? mayn't we test? mayn't you test? mayn't they test?
V-ing form
mayn't I be testing? mayn't you be testing? mayn't she be testing? mayn't we be testing? mayn't you be testing? mayn't they be testing?
Perfect
mayn't I have tested? mayn't you have tested? mayn't she have tested? mayn't we have tested? mayn't you have tested? mayn't they have tested?
V-ing perfect
mayn't I have been testing? mayn't you have been testing? mayn't she have been testing? mayn't we have been testing? mayn't you have been testing? mayn't they have been testing?