English verb conjugation
CAN PHOTOSYNTHESISE

Regular verb: photosynthesise - photosynthesised - photosynthesised

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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