must obligate
Regular verb: obligate - obligated- obligated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must obligate
you must obligate
he must obligate
we must obligate
you must obligate
they must obligate 	I must be obligating
you must be obligating
he must be obligating
we must be obligating
you must be obligating
they must be obligating	I must have obligated
you must have obligated
he must have obligated
we must have obligated
you must have obligated
they must have obligated	I must have been obligating
you must have been obligating
he must have been obligating
we must have been obligating
you must have been obligating
they must have been obligating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not obligate
you must not obligate
he must not obligate
we must not obligate
you must not obligate
they must not obligate 	I must not be obligating
you must not be obligating
he must not be obligating
we must not be obligating
you must not be obligating
they must not be obligating	I must not have obligated
you must not have obligated
he must not have obligated
we must not have obligated
you must not have obligated
they must not have obligated	I must not have been obligating
you must not have been obligating
he must not have been obligating
we must not have been obligating
you must not have been obligating
they must not have been obligating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I obligate?
must you obligate?
must he obligate?
must we obligate?
must you obligate?
must they obligate? 	must I be obligating?
must you be obligating?
must he be obligating?
must we be obligating?
must you be obligating?
must they be obligating? 	must I have obligated?
must you have obligated?
must he have obligated?
must we have obligated?
must you have obligated?
must they have obligated? 	must I have been obligating?
must you have been obligating?
must he have been obligating?
must we have been obligating?
must you have been obligating?
must they have been obligating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not obligate?
must you not obligate?
must he not obligate?
must we not obligate?
must you not obligate?
must they not obligate? 	must I not be obligating?
must you not be obligating?
must he not be obligating?
must we not be obligating?
must you not be obligating?
must they not be obligating? 	must I not have obligated?
must you not have obligated?
must he not have obligated?
must we not have obligated?
must you not have obligated?
must they not have obligated? 	must I not have been obligating?
must you not have been obligating?
must he not have been obligating?
must we not have been obligating?
must you not have been obligating?
must they not have been obligating?