must fantasise
Regular verb: fantasise - fantasised- fantasised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fantasise
you must fantasise
he must fantasise
we must fantasise
you must fantasise
they must fantasise 	I must be fantasising
you must be fantasising
he must be fantasising
we must be fantasising
you must be fantasising
they must be fantasising	I must have fantasised
you must have fantasised
he must have fantasised
we must have fantasised
you must have fantasised
they must have fantasised	I must have been fantasising
you must have been fantasising
he must have been fantasising
we must have been fantasising
you must have been fantasising
they must have been fantasising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not fantasise
you must not fantasise
he must not fantasise
we must not fantasise
you must not fantasise
they must not fantasise 	I must not be fantasising
you must not be fantasising
he must not be fantasising
we must not be fantasising
you must not be fantasising
they must not be fantasising	I must not have fantasised
you must not have fantasised
he must not have fantasised
we must not have fantasised
you must not have fantasised
they must not have fantasised	I must not have been fantasising
you must not have been fantasising
he must not have been fantasising
we must not have been fantasising
you must not have been fantasising
they must not have been fantasising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fantasise?
must you fantasise?
must he fantasise?
must we fantasise?
must you fantasise?
must they fantasise? 	must I be fantasising?
must you be fantasising?
must he be fantasising?
must we be fantasising?
must you be fantasising?
must they be fantasising? 	must I have fantasised?
must you have fantasised?
must he have fantasised?
must we have fantasised?
must you have fantasised?
must they have fantasised? 	must I have been fantasising?
must you have been fantasising?
must he have been fantasising?
must we have been fantasising?
must you have been fantasising?
must they have been fantasising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not fantasise?
must you not fantasise?
must he not fantasise?
must we not fantasise?
must you not fantasise?
must they not fantasise? 	must I not be fantasising?
must you not be fantasising?
must he not be fantasising?
must we not be fantasising?
must you not be fantasising?
must they not be fantasising? 	must I not have fantasised?
must you not have fantasised?
must he not have fantasised?
must we not have fantasised?
must you not have fantasised?
must they not have fantasised? 	must I not have been fantasising?
must you not have been fantasising?
must he not have been fantasising?
must we not have been fantasising?
must you not have been fantasising?
must they not have been fantasising?