I may standardize you may standardize she may standardize we may standardize you may standardize they may standardize
V-ing form
I may be standardizing you may be standardizing she may be standardizing we may be standardizing you may be standardizing they may be standardizing
Perfect
I may have standardized you may have standardized she 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 she 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 she 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 she 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 she 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 she 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 she standardize? may we standardize? may you standardize? may they standardize?
V-ing form
may I be standardizing? may you be standardizing? may she be standardizing? may we be standardizing? may you be standardizing? may they be standardizing?
Perfect
may I have standardized? may you have standardized? may she 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 she 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 she 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 she 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 she 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 she have been standardizing? mayn't we have been standardizing? mayn't you have been standardizing? mayn't they have been standardizing?