must photosensitise
Regular verb: photosensitise - photosensitised- photosensitised

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

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

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

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