must reave
Regular verb: reave - reaved- reaved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reave
you must reave
he must reave
we must reave
you must reave
they must reave 	I must be reaving
you must be reaving
he must be reaving
we must be reaving
you must be reaving
they must be reaving	I must have reaved
you must have reaved
he must have reaved
we must have reaved
you must have reaved
they must have reaved	I must have been reaving
you must have been reaving
he must have been reaving
we must have been reaving
you must have been reaving
they must have been reaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't reave
you mustn't reave
he mustn't reave
we mustn't reave
you mustn't reave
they mustn't reave 	I mustn't be reaving
you mustn't be reaving
he mustn't be reaving
we mustn't be reaving
you mustn't be reaving
they mustn't be reaving	I mustn't have reaved
you mustn't have reaved
he mustn't have reaved
we mustn't have reaved
you mustn't have reaved
they mustn't have reaved	I mustn't have been reaving
you mustn't have been reaving
he mustn't have been reaving
we mustn't have been reaving
you mustn't have been reaving
they mustn't have been reaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reave?
must you reave?
must he reave?
must we reave?
must you reave?
must they reave? 	must I be reaving?
must you be reaving?
must he be reaving?
must we be reaving?
must you be reaving?
must they be reaving? 	must I have reaved?
must you have reaved?
must he have reaved?
must we have reaved?
must you have reaved?
must they have reaved? 	must I have been reaving?
must you have been reaving?
must he have been reaving?
must we have been reaving?
must you have been reaving?
must they have been reaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I reave?
mustn't you reave?
mustn't he reave?
mustn't we reave?
mustn't you reave?
mustn't they reave? 	mustn't I be reaving?
mustn't you be reaving?
mustn't he be reaving?
mustn't we be reaving?
mustn't you be reaving?
mustn't they be reaving? 	mustn't I have reaved?
mustn't you have reaved?
mustn't he have reaved?
mustn't we have reaved?
mustn't you have reaved?
mustn't they have reaved? 	mustn't I have been reaving?
mustn't you have been reaving?
mustn't he have been reaving?
mustn't we have been reaving?
mustn't you have been reaving?
mustn't they have been reaving?