must pivot
Regular verb: pivot - pivoted- pivoted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must pivot
you must pivot
he must pivot
we must pivot
you must pivot
they must pivot 	I must be pivoting
you must be pivoting
he must be pivoting
we must be pivoting
you must be pivoting
they must be pivoting	I must have pivoted
you must have pivoted
he must have pivoted
we must have pivoted
you must have pivoted
they must have pivoted	I must have been pivoting
you must have been pivoting
he must have been pivoting
we must have been pivoting
you must have been pivoting
they must have been pivoting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not pivot
you must not pivot
he must not pivot
we must not pivot
you must not pivot
they must not pivot 	I must not be pivoting
you must not be pivoting
he must not be pivoting
we must not be pivoting
you must not be pivoting
they must not be pivoting	I must not have pivoted
you must not have pivoted
he must not have pivoted
we must not have pivoted
you must not have pivoted
they must not have pivoted	I must not have been pivoting
you must not have been pivoting
he must not have been pivoting
we must not have been pivoting
you must not have been pivoting
they must not have been pivoting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I pivot?
must you pivot?
must he pivot?
must we pivot?
must you pivot?
must they pivot? 	must I be pivoting?
must you be pivoting?
must he be pivoting?
must we be pivoting?
must you be pivoting?
must they be pivoting? 	must I have pivoted?
must you have pivoted?
must he have pivoted?
must we have pivoted?
must you have pivoted?
must they have pivoted? 	must I have been pivoting?
must you have been pivoting?
must he have been pivoting?
must we have been pivoting?
must you have been pivoting?
must they have been pivoting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not pivot?
must you not pivot?
must he not pivot?
must we not pivot?
must you not pivot?
must they not pivot? 	must I not be pivoting?
must you not be pivoting?
must he not be pivoting?
must we not be pivoting?
must you not be pivoting?
must they not be pivoting? 	must I not have pivoted?
must you not have pivoted?
must he not have pivoted?
must we not have pivoted?
must you not have pivoted?
must they not have pivoted? 	must I not have been pivoting?
must you not have been pivoting?
must he not have been pivoting?
must we not have been pivoting?
must you not have been pivoting?
must they not have been pivoting?