must litigate
Regular verb: litigate - litigated- litigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must litigate
you must litigate
she must litigate
we must litigate
you must litigate
they must litigate 	I must be litigating
you must be litigating
she must be litigating
we must be litigating
you must be litigating
they must be litigating	I must have litigated
you must have litigated
she must have litigated
we must have litigated
you must have litigated
they must have litigated	I must have been litigating
you must have been litigating
she must have been litigating
we must have been litigating
you must have been litigating
they must have been litigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not litigate
you must not litigate
she must not litigate
we must not litigate
you must not litigate
they must not litigate 	I must not be litigating
you must not be litigating
she must not be litigating
we must not be litigating
you must not be litigating
they must not be litigating	I must not have litigated
you must not have litigated
she must not have litigated
we must not have litigated
you must not have litigated
they must not have litigated	I must not have been litigating
you must not have been litigating
she must not have been litigating
we must not have been litigating
you must not have been litigating
they must not have been litigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I litigate?
must you litigate?
must she litigate?
must we litigate?
must you litigate?
must they litigate? 	must I be litigating?
must you be litigating?
must she be litigating?
must we be litigating?
must you be litigating?
must they be litigating? 	must I have litigated?
must you have litigated?
must she have litigated?
must we have litigated?
must you have litigated?
must they have litigated? 	must I have been litigating?
must you have been litigating?
must she have been litigating?
must we have been litigating?
must you have been litigating?
must they have been litigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not litigate?
must you not litigate?
must she not litigate?
must we not litigate?
must you not litigate?
must they not litigate? 	must I not be litigating?
must you not be litigating?
must she not be litigating?
must we not be litigating?
must you not be litigating?
must they not be litigating? 	must I not have litigated?
must you not have litigated?
must she not have litigated?
must we not have litigated?
must you not have litigated?
must they not have litigated? 	must I not have been litigating?
must you not have been litigating?
must she not have been litigating?
must we not have been litigating?
must you not have been litigating?
must they not have been litigating?