must maroon
Regular verb: maroon - marooned- marooned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must maroon
you must maroon
he must maroon
we must maroon
you must maroon
they must maroon 	I must be marooning
you must be marooning
he must be marooning
we must be marooning
you must be marooning
they must be marooning	I must have marooned
you must have marooned
he must have marooned
we must have marooned
you must have marooned
they must have marooned	I must have been marooning
you must have been marooning
he must have been marooning
we must have been marooning
you must have been marooning
they must have been marooning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not maroon
you must not maroon
he must not maroon
we must not maroon
you must not maroon
they must not maroon 	I must not be marooning
you must not be marooning
he must not be marooning
we must not be marooning
you must not be marooning
they must not be marooning	I must not have marooned
you must not have marooned
he must not have marooned
we must not have marooned
you must not have marooned
they must not have marooned	I must not have been marooning
you must not have been marooning
he must not have been marooning
we must not have been marooning
you must not have been marooning
they must not have been marooning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I maroon?
must you maroon?
must he maroon?
must we maroon?
must you maroon?
must they maroon? 	must I be marooning?
must you be marooning?
must he be marooning?
must we be marooning?
must you be marooning?
must they be marooning? 	must I have marooned?
must you have marooned?
must he have marooned?
must we have marooned?
must you have marooned?
must they have marooned? 	must I have been marooning?
must you have been marooning?
must he have been marooning?
must we have been marooning?
must you have been marooning?
must they have been marooning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not maroon?
must you not maroon?
must he not maroon?
must we not maroon?
must you not maroon?
must they not maroon? 	must I not be marooning?
must you not be marooning?
must he not be marooning?
must we not be marooning?
must you not be marooning?
must they not be marooning? 	must I not have marooned?
must you not have marooned?
must he not have marooned?
must we not have marooned?
must you not have marooned?
must they not have marooned? 	must I not have been marooning?
must you not have been marooning?
must he not have been marooning?
must we not have been marooning?
must you not have been marooning?
must they not have been marooning?