must favour
Regular verb: favour - favoured- favoured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must favour
you must favour
she must favour
we must favour
you must favour
they must favour 	I must be favouring
you must be favouring
she must be favouring
we must be favouring
you must be favouring
they must be favouring	I must have favoured
you must have favoured
she must have favoured
we must have favoured
you must have favoured
they must have favoured	I must have been favouring
you must have been favouring
she must have been favouring
we must have been favouring
you must have been favouring
they must have been favouring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't favour
you mustn't favour
she mustn't favour
we mustn't favour
you mustn't favour
they mustn't favour 	I mustn't be favouring
you mustn't be favouring
she mustn't be favouring
we mustn't be favouring
you mustn't be favouring
they mustn't be favouring	I mustn't have favoured
you mustn't have favoured
she mustn't have favoured
we mustn't have favoured
you mustn't have favoured
they mustn't have favoured	I mustn't have been favouring
you mustn't have been favouring
she mustn't have been favouring
we mustn't have been favouring
you mustn't have been favouring
they mustn't have been favouring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I favour?
must you favour?
must she favour?
must we favour?
must you favour?
must they favour? 	must I be favouring?
must you be favouring?
must she be favouring?
must we be favouring?
must you be favouring?
must they be favouring? 	must I have favoured?
must you have favoured?
must she have favoured?
must we have favoured?
must you have favoured?
must they have favoured? 	must I have been favouring?
must you have been favouring?
must she have been favouring?
must we have been favouring?
must you have been favouring?
must they have been favouring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I favour?
mustn't you favour?
mustn't she favour?
mustn't we favour?
mustn't you favour?
mustn't they favour? 	mustn't I be favouring?
mustn't you be favouring?
mustn't she be favouring?
mustn't we be favouring?
mustn't you be favouring?
mustn't they be favouring? 	mustn't I have favoured?
mustn't you have favoured?
mustn't she have favoured?
mustn't we have favoured?
mustn't you have favoured?
mustn't they have favoured? 	mustn't I have been favouring?
mustn't you have been favouring?
mustn't she have been favouring?
mustn't we have been favouring?
mustn't you have been favouring?
mustn't they have been favouring?