English verb conjugation
MAY PHOTOSYNTHESISE

Regular verb: photosynthesise - photosynthesised - photosynthesised

Affirmation

Simple form	V-ing form
I may photosynthesise you may photosynthesise she may photosynthesise we may photosynthesise you may photosynthesise they may photosynthesise	I may be photosynthesising you may be photosynthesising she may be photosynthesising we may be photosynthesising you may be photosynthesising they may be photosynthesising
Perfect	V-ing perfect
I may have photosynthesised you may have photosynthesised she may have photosynthesised we may have photosynthesised you may have photosynthesised they may have photosynthesised	I may have been photosynthesising you may have been photosynthesising she may have been photosynthesising we may have been photosynthesising you may have been photosynthesising they may have been photosynthesising

Negation

Simple form	V-ing form
I mayn't photosynthesise you mayn't photosynthesise she mayn't photosynthesise we mayn't photosynthesise you mayn't photosynthesise they mayn't photosynthesise	I mayn't be photosynthesising you mayn't be photosynthesising she mayn't be photosynthesising we mayn't be photosynthesising you mayn't be photosynthesising they mayn't be photosynthesising
Perfect	V-ing perfect
I mayn't have photosynthesised you mayn't have photosynthesised she mayn't have photosynthesised we mayn't have photosynthesised you mayn't have photosynthesised they mayn't have photosynthesised	I mayn't have been photosynthesising you mayn't have been photosynthesising she mayn't have been photosynthesising we mayn't have been photosynthesising you mayn't have been photosynthesising they mayn't have been photosynthesising

Interrogative form

Simple form	V-ing form
may I photosynthesise? may you photosynthesise? may she photosynthesise? may we photosynthesise? may you photosynthesise? may they photosynthesise?	may I be photosynthesising? may you be photosynthesising? may she be photosynthesising? may we be photosynthesising? may you be photosynthesising? may they be photosynthesising?
Perfect	V-ing perfect
may I have photosynthesised? may you have photosynthesised? may she have photosynthesised? may we have photosynthesised? may you have photosynthesised? may they have photosynthesised?	may I have been photosynthesising? may you have been photosynthesising? may she have been photosynthesising? may we have been photosynthesising? may you have been photosynthesising? may they have been photosynthesising?

Interro-negative form

Simple form	V-ing form
mayn't I photosynthesise? mayn't you photosynthesise? mayn't she photosynthesise? mayn't we photosynthesise? mayn't you photosynthesise? mayn't they photosynthesise?	mayn't I be photosynthesising? mayn't you be photosynthesising? mayn't she be photosynthesising? mayn't we be photosynthesising? mayn't you be photosynthesising? mayn't they be photosynthesising?
Perfect	V-ing perfect
mayn't I have photosynthesised? mayn't you have photosynthesised? mayn't she have photosynthesised? mayn't we have photosynthesised? mayn't you have photosynthesised? mayn't they have photosynthesised?	mayn't I have been photosynthesising? mayn't you have been photosynthesising? mayn't she have been photosynthesising? mayn't we have been photosynthesising? mayn't you have been photosynthesising? mayn't they have been photosynthesising?