must overseason
Regular verb: overseason - overseasoned- overseasoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must overseason
you must overseason
he must overseason
we must overseason
you must overseason
they must overseason 	I must be overseasoning
you must be overseasoning
he must be overseasoning
we must be overseasoning
you must be overseasoning
they must be overseasoning	I must have overseasoned
you must have overseasoned
he must have overseasoned
we must have overseasoned
you must have overseasoned
they must have overseasoned	I must have been overseasoning
you must have been overseasoning
he must have been overseasoning
we must have been overseasoning
you must have been overseasoning
they must have been overseasoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not overseason
you must not overseason
he must not overseason
we must not overseason
you must not overseason
they must not overseason 	I must not be overseasoning
you must not be overseasoning
he must not be overseasoning
we must not be overseasoning
you must not be overseasoning
they must not be overseasoning	I must not have overseasoned
you must not have overseasoned
he must not have overseasoned
we must not have overseasoned
you must not have overseasoned
they must not have overseasoned	I must not have been overseasoning
you must not have been overseasoning
he must not have been overseasoning
we must not have been overseasoning
you must not have been overseasoning
they must not have been overseasoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I overseason?
must you overseason?
must he overseason?
must we overseason?
must you overseason?
must they overseason? 	must I be overseasoning?
must you be overseasoning?
must he be overseasoning?
must we be overseasoning?
must you be overseasoning?
must they be overseasoning? 	must I have overseasoned?
must you have overseasoned?
must he have overseasoned?
must we have overseasoned?
must you have overseasoned?
must they have overseasoned? 	must I have been overseasoning?
must you have been overseasoning?
must he have been overseasoning?
must we have been overseasoning?
must you have been overseasoning?
must they have been overseasoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not overseason?
must you not overseason?
must he not overseason?
must we not overseason?
must you not overseason?
must they not overseason? 	must I not be overseasoning?
must you not be overseasoning?
must he not be overseasoning?
must we not be overseasoning?
must you not be overseasoning?
must they not be overseasoning? 	must I not have overseasoned?
must you not have overseasoned?
must he not have overseasoned?
must we not have overseasoned?
must you not have overseasoned?
must they not have overseasoned? 	must I not have been overseasoning?
must you not have been overseasoning?
must he not have been overseasoning?
must we not have been overseasoning?
must you not have been overseasoning?
must they not have been overseasoning?