could photosensitise
Regular verb: photosensitise - photosensitised- photosensitised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could photosensitise
you could photosensitise
he could photosensitise
we could photosensitise
you could photosensitise
they could photosensitise 	I could be photosensitising
you could be photosensitising
he could be photosensitising
we could be photosensitising
you could be photosensitising
they could be photosensitising	I could have photosensitised
you could have photosensitised
he 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
he 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 couldn't photosensitise
you couldn't photosensitise
he couldn't photosensitise
we couldn't photosensitise
you couldn't photosensitise
they couldn't photosensitise 	I couldn't be photosensitising
you couldn't be photosensitising
he couldn't be photosensitising
we couldn't be photosensitising
you couldn't be photosensitising
they couldn't be photosensitising	I couldn't have photosensitised
you couldn't have photosensitised
he couldn't have photosensitised
we couldn't have photosensitised
you couldn't have photosensitised
they couldn't have photosensitised	I couldn't have been photosensitising
you couldn't have been photosensitising
he couldn't have been photosensitising
we couldn't have been photosensitising
you couldn't have been photosensitising
they couldn't have been photosensitising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I photosensitise?
could you photosensitise?
could he photosensitise?
could we photosensitise?
could you photosensitise?
could they photosensitise? 	could I be photosensitising?
could you be photosensitising?
could he be photosensitising?
could we be photosensitising?
could you be photosensitising?
could they be photosensitising? 	could I have photosensitised?
could you have photosensitised?
could he 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 he 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 	
couldn't I photosensitise?
couldn't you photosensitise?
couldn't he photosensitise?
couldn't we photosensitise?
couldn't you photosensitise?
couldn't they photosensitise? 	couldn't I be photosensitising?
couldn't you be photosensitising?
couldn't he be photosensitising?
couldn't we be photosensitising?
couldn't you be photosensitising?
couldn't they be photosensitising? 	couldn't I have photosensitised?
couldn't you have photosensitised?
couldn't he have photosensitised?
couldn't we have photosensitised?
couldn't you have photosensitised?
couldn't they have photosensitised? 	couldn't I have been photosensitising?
couldn't you have been photosensitising?
couldn't he have been photosensitising?
couldn't we have been photosensitising?
couldn't you have been photosensitising?
couldn't they have been photosensitising?