I may test you may test he may test we may test you may test they may test
V-ing form
I may be testing you may be testing he may be testing we may be testing you may be testing they may be testing
Perfect
I may have tested you may have tested he 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 he may have been testing we may have been testing you may have been testing they may have been testing
Negation
Simple form
I may not test you may not test he may not test we may not test you may not test they may not test
V-ing form
I may not be testing you may not be testing he may not be testing we may not be testing you may not be testing they may not be testing
Perfect
I may not have tested you may not have tested he may not have tested we may not have tested you may not have tested they may not have tested
V-ing perfect
I may not have been testing you may not have been testing he may not have been testing we may not have been testing you may not have been testing they may not have been testing
Interrogative form
Simple form
may I test? may you test? may he test? may we test? may you test? may they test?
V-ing form
may I be testing? may you be testing? may he be testing? may we be testing? may you be testing? may they be testing?
Perfect
may I have tested? may you have tested? may he 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 he have been testing? may we have been testing? may you have been testing? may they have been testing?
Interro-negative form
Simple form
may I not test? may you not test? may he not test? may we not test? may you not test? may they not test?
V-ing form
may I not be testing? may you not be testing? may he not be testing? may we not be testing? may you not be testing? may they not be testing?
Perfect
may I not have tested? may you not have tested? may he not have tested? may we not have tested? may you not have tested? may they not have tested?
V-ing perfect
may I not have been testing? may you not have been testing? may he not have been testing? may we not have been testing? may you not have been testing? may they not have been testing?