could photosensitise
Regular verb: photosensitise - photosensitised- photosensitised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could photosensitise
you could photosensitise
she could photosensitise
we could photosensitise
you could photosensitise
they could photosensitise 	I could be photosensitising
you could be photosensitising
she could be photosensitising
we could be photosensitising
you could be photosensitising
they could be photosensitising	I could have photosensitised
you could have photosensitised
she could have photosensitised
we could have photosensitised
you could have photosensitised
they could have photosensitised	I could have been photosensitising
you could have been photosensitising
she could have been photosensitising
we could have been photosensitising
you could have been photosensitising
they could have been photosensitising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not photosensitise
you could not photosensitise
she could not photosensitise
we could not photosensitise
you could not photosensitise
they could not photosensitise 	I could not be photosensitising
you could not be photosensitising
she could not be photosensitising
we could not be photosensitising
you could not be photosensitising
they could not be photosensitising	I could not have photosensitised
you could not have photosensitised
she could not have photosensitised
we could not have photosensitised
you could not have photosensitised
they could not have photosensitised	I could not have been photosensitising
you could not have been photosensitising
she could not have been photosensitising
we could not have been photosensitising
you could not have been photosensitising
they could not have been photosensitising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I photosensitise?
could you photosensitise?
could she photosensitise?
could we photosensitise?
could you photosensitise?
could they photosensitise? 	could I be photosensitising?
could you be photosensitising?
could she be photosensitising?
could we be photosensitising?
could you be photosensitising?
could they be photosensitising? 	could I have photosensitised?
could you have photosensitised?
could she have photosensitised?
could we have photosensitised?
could you have photosensitised?
could they have photosensitised? 	could I have been photosensitising?
could you have been photosensitising?
could she have been photosensitising?
could we have been photosensitising?
could you have been photosensitising?
could they have been photosensitising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not photosensitise?
could you not photosensitise?
could she not photosensitise?
could we not photosensitise?
could you not photosensitise?
could they not photosensitise? 	could I not be photosensitising?
could you not be photosensitising?
could she not be photosensitising?
could we not be photosensitising?
could you not be photosensitising?
could they not be photosensitising? 	could I not have photosensitised?
could you not have photosensitised?
could she not have photosensitised?
could we not have photosensitised?
could you not have photosensitised?
could they not have photosensitised? 	could I not have been photosensitising?
could you not have been photosensitising?
could she not have been photosensitising?
could we not have been photosensitising?
could you not have been photosensitising?
could they not have been photosensitising?