must sabotage
Regular verb: sabotage - sabotaged- sabotaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sabotage
you must sabotage
he must sabotage
we must sabotage
you must sabotage
they must sabotage 	I must be sabotaging
you must be sabotaging
he must be sabotaging
we must be sabotaging
you must be sabotaging
they must be sabotaging	I must have sabotaged
you must have sabotaged
he must have sabotaged
we must have sabotaged
you must have sabotaged
they must have sabotaged	I must have been sabotaging
you must have been sabotaging
he must have been sabotaging
we must have been sabotaging
you must have been sabotaging
they must have been sabotaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not sabotage
you must not sabotage
he must not sabotage
we must not sabotage
you must not sabotage
they must not sabotage 	I must not be sabotaging
you must not be sabotaging
he must not be sabotaging
we must not be sabotaging
you must not be sabotaging
they must not be sabotaging	I must not have sabotaged
you must not have sabotaged
he must not have sabotaged
we must not have sabotaged
you must not have sabotaged
they must not have sabotaged	I must not have been sabotaging
you must not have been sabotaging
he must not have been sabotaging
we must not have been sabotaging
you must not have been sabotaging
they must not have been sabotaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sabotage?
must you sabotage?
must he sabotage?
must we sabotage?
must you sabotage?
must they sabotage? 	must I be sabotaging?
must you be sabotaging?
must he be sabotaging?
must we be sabotaging?
must you be sabotaging?
must they be sabotaging? 	must I have sabotaged?
must you have sabotaged?
must he have sabotaged?
must we have sabotaged?
must you have sabotaged?
must they have sabotaged? 	must I have been sabotaging?
must you have been sabotaging?
must he have been sabotaging?
must we have been sabotaging?
must you have been sabotaging?
must they have been sabotaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not sabotage?
must you not sabotage?
must he not sabotage?
must we not sabotage?
must you not sabotage?
must they not sabotage? 	must I not be sabotaging?
must you not be sabotaging?
must he not be sabotaging?
must we not be sabotaging?
must you not be sabotaging?
must they not be sabotaging? 	must I not have sabotaged?
must you not have sabotaged?
must he not have sabotaged?
must we not have sabotaged?
must you not have sabotaged?
must they not have sabotaged? 	must I not have been sabotaging?
must you not have been sabotaging?
must he not have been sabotaging?
must we not have been sabotaging?
must you not have been sabotaging?
must they not have been sabotaging?