must second
Regular verb: second - seconded- seconded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must second
you must second
he must second
we must second
you must second
they must second 	I must be seconding
you must be seconding
he must be seconding
we must be seconding
you must be seconding
they must be seconding	I must have seconded
you must have seconded
he must have seconded
we must have seconded
you must have seconded
they must have seconded	I must have been seconding
you must have been seconding
he must have been seconding
we must have been seconding
you must have been seconding
they must have been seconding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not second
you must not second
he must not second
we must not second
you must not second
they must not second 	I must not be seconding
you must not be seconding
he must not be seconding
we must not be seconding
you must not be seconding
they must not be seconding	I must not have seconded
you must not have seconded
he must not have seconded
we must not have seconded
you must not have seconded
they must not have seconded	I must not have been seconding
you must not have been seconding
he must not have been seconding
we must not have been seconding
you must not have been seconding
they must not have been seconding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I second?
must you second?
must he second?
must we second?
must you second?
must they second? 	must I be seconding?
must you be seconding?
must he be seconding?
must we be seconding?
must you be seconding?
must they be seconding? 	must I have seconded?
must you have seconded?
must he have seconded?
must we have seconded?
must you have seconded?
must they have seconded? 	must I have been seconding?
must you have been seconding?
must he have been seconding?
must we have been seconding?
must you have been seconding?
must they have been seconding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not second?
must you not second?
must he not second?
must we not second?
must you not second?
must they not second? 	must I not be seconding?
must you not be seconding?
must he not be seconding?
must we not be seconding?
must you not be seconding?
must they not be seconding? 	must I not have seconded?
must you not have seconded?
must he not have seconded?
must we not have seconded?
must you not have seconded?
must they not have seconded? 	must I not have been seconding?
must you not have been seconding?
must he not have been seconding?
must we not have been seconding?
must you not have been seconding?
must they not have been seconding?