must monitor
Regular verb: monitor - monitored- monitored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must monitor
you must monitor
he must monitor
we must monitor
you must monitor
they must monitor 	I must be monitoring
you must be monitoring
he must be monitoring
we must be monitoring
you must be monitoring
they must be monitoring	I must have monitored
you must have monitored
he must have monitored
we must have monitored
you must have monitored
they must have monitored	I must have been monitoring
you must have been monitoring
he must have been monitoring
we must have been monitoring
you must have been monitoring
they must have been monitoring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not monitor
you must not monitor
he must not monitor
we must not monitor
you must not monitor
they must not monitor 	I must not be monitoring
you must not be monitoring
he must not be monitoring
we must not be monitoring
you must not be monitoring
they must not be monitoring	I must not have monitored
you must not have monitored
he must not have monitored
we must not have monitored
you must not have monitored
they must not have monitored	I must not have been monitoring
you must not have been monitoring
he must not have been monitoring
we must not have been monitoring
you must not have been monitoring
they must not have been monitoring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I monitor?
must you monitor?
must he monitor?
must we monitor?
must you monitor?
must they monitor? 	must I be monitoring?
must you be monitoring?
must he be monitoring?
must we be monitoring?
must you be monitoring?
must they be monitoring? 	must I have monitored?
must you have monitored?
must he have monitored?
must we have monitored?
must you have monitored?
must they have monitored? 	must I have been monitoring?
must you have been monitoring?
must he have been monitoring?
must we have been monitoring?
must you have been monitoring?
must they have been monitoring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not monitor?
must you not monitor?
must he not monitor?
must we not monitor?
must you not monitor?
must they not monitor? 	must I not be monitoring?
must you not be monitoring?
must he not be monitoring?
must we not be monitoring?
must you not be monitoring?
must they not be monitoring? 	must I not have monitored?
must you not have monitored?
must he not have monitored?
must we not have monitored?
must you not have monitored?
must they not have monitored? 	must I not have been monitoring?
must you not have been monitoring?
must he not have been monitoring?
must we not have been monitoring?
must you not have been monitoring?
must they not have been monitoring?