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