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