must depolarise
Regular verb: depolarise - depolarised- depolarised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must depolarise
you must depolarise
he must depolarise
we must depolarise
you must depolarise
they must depolarise 	I must be depolarising
you must be depolarising
he must be depolarising
we must be depolarising
you must be depolarising
they must be depolarising	I must have depolarised
you must have depolarised
he must have depolarised
we must have depolarised
you must have depolarised
they must have depolarised	I must have been depolarising
you must have been depolarising
he must have been depolarising
we must have been depolarising
you must have been depolarising
they must have been depolarising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not depolarise
you must not depolarise
he must not depolarise
we must not depolarise
you must not depolarise
they must not depolarise 	I must not be depolarising
you must not be depolarising
he must not be depolarising
we must not be depolarising
you must not be depolarising
they must not be depolarising	I must not have depolarised
you must not have depolarised
he must not have depolarised
we must not have depolarised
you must not have depolarised
they must not have depolarised	I must not have been depolarising
you must not have been depolarising
he must not have been depolarising
we must not have been depolarising
you must not have been depolarising
they must not have been depolarising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I depolarise?
must you depolarise?
must he depolarise?
must we depolarise?
must you depolarise?
must they depolarise? 	must I be depolarising?
must you be depolarising?
must he be depolarising?
must we be depolarising?
must you be depolarising?
must they be depolarising? 	must I have depolarised?
must you have depolarised?
must he have depolarised?
must we have depolarised?
must you have depolarised?
must they have depolarised? 	must I have been depolarising?
must you have been depolarising?
must he have been depolarising?
must we have been depolarising?
must you have been depolarising?
must they have been depolarising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not depolarise?
must you not depolarise?
must he not depolarise?
must we not depolarise?
must you not depolarise?
must they not depolarise? 	must I not be depolarising?
must you not be depolarising?
must he not be depolarising?
must we not be depolarising?
must you not be depolarising?
must they not be depolarising? 	must I not have depolarised?
must you not have depolarised?
must he not have depolarised?
must we not have depolarised?
must you not have depolarised?
must they not have depolarised? 	must I not have been depolarising?
must you not have been depolarising?
must he not have been depolarising?
must we not have been depolarising?
must you not have been depolarising?
must they not have been depolarising?