must carol
Regular verb: carol - carolled- carolled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must carol
you must carol
he must carol
we must carol
you must carol
they must carol 	I must be carolling
you must be carolling
he must be carolling
we must be carolling
you must be carolling
they must be carolling	I must have carolled
you must have carolled
he must have carolled
we must have carolled
you must have carolled
they must have carolled	I must have been carolling
you must have been carolling
he must have been carolling
we must have been carolling
you must have been carolling
they must have been carolling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not carol
you must not carol
he must not carol
we must not carol
you must not carol
they must not carol 	I must not be carolling
you must not be carolling
he must not be carolling
we must not be carolling
you must not be carolling
they must not be carolling	I must not have carolled
you must not have carolled
he must not have carolled
we must not have carolled
you must not have carolled
they must not have carolled	I must not have been carolling
you must not have been carolling
he must not have been carolling
we must not have been carolling
you must not have been carolling
they must not have been carolling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I carol?
must you carol?
must he carol?
must we carol?
must you carol?
must they carol? 	must I be carolling?
must you be carolling?
must he be carolling?
must we be carolling?
must you be carolling?
must they be carolling? 	must I have carolled?
must you have carolled?
must he have carolled?
must we have carolled?
must you have carolled?
must they have carolled? 	must I have been carolling?
must you have been carolling?
must he have been carolling?
must we have been carolling?
must you have been carolling?
must they have been carolling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not carol?
must you not carol?
must he not carol?
must we not carol?
must you not carol?
must they not carol? 	must I not be carolling?
must you not be carolling?
must he not be carolling?
must we not be carolling?
must you not be carolling?
must they not be carolling? 	must I not have carolled?
must you not have carolled?
must he not have carolled?
must we not have carolled?
must you not have carolled?
must they not have carolled? 	must I not have been carolling?
must you not have been carolling?
must he not have been carolling?
must we not have been carolling?
must you not have been carolling?
must they not have been carolling?