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 cannot photosynthesise you cannot photosynthesise she cannot photosynthesise we cannot photosynthesise you cannot photosynthesise they cannot photosynthesise	I cannot be photosynthesising you cannot be photosynthesising she cannot be photosynthesising we cannot be photosynthesising you cannot be photosynthesising they cannot be photosynthesising
Perfect	V-ing perfect
I cannot have photosynthesised you cannot have photosynthesised she cannot have photosynthesised we cannot have photosynthesised you cannot have photosynthesised they cannot have photosynthesised	I cannot have been photosynthesising you cannot have been photosynthesising she cannot have been photosynthesising we cannot have been photosynthesising you cannot have been photosynthesising they cannot 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 I not photosynthesise? can you not photosynthesise? can she not photosynthesise? can we not photosynthesise? can you not photosynthesise? can they not photosynthesise?	can I not be photosynthesising? can you not be photosynthesising? can she not be photosynthesising? can we not be photosynthesising? can you not be photosynthesising? can they not be photosynthesising?
Perfect	V-ing perfect
can I not have photosynthesised? can you not have photosynthesised? can she not have photosynthesised? can we not have photosynthesised? can you not have photosynthesised? can they not have photosynthesised?	can I not have been photosynthesising? can you not have been photosynthesising? can she not have been photosynthesising? can we not have been photosynthesising? can you not have been photosynthesising? can they not have been photosynthesising?