English verb conjugation
MUST PHOTOSYNTHESIZE

Regular verb: photosynthesize - photosynthesized - photosynthesized

Affirmation

Simple form	V-ing form
I must photosynthesize you must photosynthesize he must photosynthesize we must photosynthesize you must photosynthesize they must photosynthesize	I must be photosynthesizing you must be photosynthesizing he must be photosynthesizing we must be photosynthesizing you must be photosynthesizing they must be photosynthesizing
Perfect	V-ing perfect
I must have photosynthesized you must have photosynthesized he must have photosynthesized we must have photosynthesized you must have photosynthesized they must have photosynthesized	I must have been photosynthesizing you must have been photosynthesizing he must have been photosynthesizing we must have been photosynthesizing you must have been photosynthesizing they must have been photosynthesizing

Negation

Simple form	V-ing form
I mustn't photosynthesize you mustn't photosynthesize he mustn't photosynthesize we mustn't photosynthesize you mustn't photosynthesize they mustn't photosynthesize	I mustn't be photosynthesizing you mustn't be photosynthesizing he mustn't be photosynthesizing we mustn't be photosynthesizing you mustn't be photosynthesizing they mustn't be photosynthesizing
Perfect	V-ing perfect
I mustn't have photosynthesized you mustn't have photosynthesized he mustn't have photosynthesized we mustn't have photosynthesized you mustn't have photosynthesized they mustn't have photosynthesized	I mustn't have been photosynthesizing you mustn't have been photosynthesizing he mustn't have been photosynthesizing we mustn't have been photosynthesizing you mustn't have been photosynthesizing they mustn't have been photosynthesizing

Interrogative form

Simple form	V-ing form
must I photosynthesize? must you photosynthesize? must he photosynthesize? must we photosynthesize? must you photosynthesize? must they photosynthesize?	must I be photosynthesizing? must you be photosynthesizing? must he be photosynthesizing? must we be photosynthesizing? must you be photosynthesizing? must they be photosynthesizing?
Perfect	V-ing perfect
must I have photosynthesized? must you have photosynthesized? must he have photosynthesized? must we have photosynthesized? must you have photosynthesized? must they have photosynthesized?	must I have been photosynthesizing? must you have been photosynthesizing? must he have been photosynthesizing? must we have been photosynthesizing? must you have been photosynthesizing? must they have been photosynthesizing?

Interro-negative form

Simple form	V-ing form
mustn't I photosynthesize? mustn't you photosynthesize? mustn't he photosynthesize? mustn't we photosynthesize? mustn't you photosynthesize? mustn't they photosynthesize?	mustn't I be photosynthesizing? mustn't you be photosynthesizing? mustn't he be photosynthesizing? mustn't we be photosynthesizing? mustn't you be photosynthesizing? mustn't they be photosynthesizing?
Perfect	V-ing perfect
mustn't I have photosynthesized? mustn't you have photosynthesized? mustn't he have photosynthesized? mustn't we have photosynthesized? mustn't you have photosynthesized? mustn't they have photosynthesized?	mustn't I have been photosynthesizing? mustn't you have been photosynthesizing? mustn't he have been photosynthesizing? mustn't we have been photosynthesizing? mustn't you have been photosynthesizing? mustn't they have been photosynthesizing?