must oversee
Irregular verb: oversee - oversaw- overseen

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must oversee
you must oversee
he must oversee
we must oversee
you must oversee
they must oversee 	I must be overseeing
you must be overseeing
he must be overseeing
we must be overseeing
you must be overseeing
they must be overseeing	I must have overseen
you must have overseen
he must have overseen
we must have overseen
you must have overseen
they must have overseen	I must have been overseeing
you must have been overseeing
he must have been overseeing
we must have been overseeing
you must have been overseeing
they must have been overseeing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not oversee
you must not oversee
he must not oversee
we must not oversee
you must not oversee
they must not oversee 	I must not be overseeing
you must not be overseeing
he must not be overseeing
we must not be overseeing
you must not be overseeing
they must not be overseeing	I must not have overseen
you must not have overseen
he must not have overseen
we must not have overseen
you must not have overseen
they must not have overseen	I must not have been overseeing
you must not have been overseeing
he must not have been overseeing
we must not have been overseeing
you must not have been overseeing
they must not have been overseeing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I oversee?
must you oversee?
must he oversee?
must we oversee?
must you oversee?
must they oversee? 	must I be overseeing?
must you be overseeing?
must he be overseeing?
must we be overseeing?
must you be overseeing?
must they be overseeing? 	must I have overseen?
must you have overseen?
must he have overseen?
must we have overseen?
must you have overseen?
must they have overseen? 	must I have been overseeing?
must you have been overseeing?
must he have been overseeing?
must we have been overseeing?
must you have been overseeing?
must they have been overseeing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not oversee?
must you not oversee?
must he not oversee?
must we not oversee?
must you not oversee?
must they not oversee? 	must I not be overseeing?
must you not be overseeing?
must he not be overseeing?
must we not be overseeing?
must you not be overseeing?
must they not be overseeing? 	must I not have overseen?
must you not have overseen?
must he not have overseen?
must we not have overseen?
must you not have overseen?
must they not have overseen? 	must I not have been overseeing?
must you not have been overseeing?
must he not have been overseeing?
must we not have been overseeing?
must you not have been overseeing?
must they not have been overseeing?