must embargo
Regular verb: embargo - embargoed- embargoed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must embargo
you must embargo
he must embargo
we must embargo
you must embargo
they must embargo 	I must be embargoing
you must be embargoing
he must be embargoing
we must be embargoing
you must be embargoing
they must be embargoing	I must have embargoed
you must have embargoed
he must have embargoed
we must have embargoed
you must have embargoed
they must have embargoed	I must have been embargoing
you must have been embargoing
he must have been embargoing
we must have been embargoing
you must have been embargoing
they must have been embargoing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not embargo
you must not embargo
he must not embargo
we must not embargo
you must not embargo
they must not embargo 	I must not be embargoing
you must not be embargoing
he must not be embargoing
we must not be embargoing
you must not be embargoing
they must not be embargoing	I must not have embargoed
you must not have embargoed
he must not have embargoed
we must not have embargoed
you must not have embargoed
they must not have embargoed	I must not have been embargoing
you must not have been embargoing
he must not have been embargoing
we must not have been embargoing
you must not have been embargoing
they must not have been embargoing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I embargo?
must you embargo?
must he embargo?
must we embargo?
must you embargo?
must they embargo? 	must I be embargoing?
must you be embargoing?
must he be embargoing?
must we be embargoing?
must you be embargoing?
must they be embargoing? 	must I have embargoed?
must you have embargoed?
must he have embargoed?
must we have embargoed?
must you have embargoed?
must they have embargoed? 	must I have been embargoing?
must you have been embargoing?
must he have been embargoing?
must we have been embargoing?
must you have been embargoing?
must they have been embargoing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not embargo?
must you not embargo?
must he not embargo?
must we not embargo?
must you not embargo?
must they not embargo? 	must I not be embargoing?
must you not be embargoing?
must he not be embargoing?
must we not be embargoing?
must you not be embargoing?
must they not be embargoing? 	must I not have embargoed?
must you not have embargoed?
must he not have embargoed?
must we not have embargoed?
must you not have embargoed?
must they not have embargoed? 	must I not have been embargoing?
must you not have been embargoing?
must he not have been embargoing?
must we not have been embargoing?
must you not have been embargoing?
must they not have been embargoing?