must overcolour
Regular verb: overcolour - overcoloured- overcoloured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must overcolour
you must overcolour
she must overcolour
we must overcolour
you must overcolour
they must overcolour 	I must be overcolouring
you must be overcolouring
she must be overcolouring
we must be overcolouring
you must be overcolouring
they must be overcolouring	I must have overcoloured
you must have overcoloured
she must have overcoloured
we must have overcoloured
you must have overcoloured
they must have overcoloured	I must have been overcolouring
you must have been overcolouring
she must have been overcolouring
we must have been overcolouring
you must have been overcolouring
they must have been overcolouring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't overcolour
you mustn't overcolour
she mustn't overcolour
we mustn't overcolour
you mustn't overcolour
they mustn't overcolour 	I mustn't be overcolouring
you mustn't be overcolouring
she mustn't be overcolouring
we mustn't be overcolouring
you mustn't be overcolouring
they mustn't be overcolouring	I mustn't have overcoloured
you mustn't have overcoloured
she mustn't have overcoloured
we mustn't have overcoloured
you mustn't have overcoloured
they mustn't have overcoloured	I mustn't have been overcolouring
you mustn't have been overcolouring
she mustn't have been overcolouring
we mustn't have been overcolouring
you mustn't have been overcolouring
they mustn't have been overcolouring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I overcolour?
must you overcolour?
must she overcolour?
must we overcolour?
must you overcolour?
must they overcolour? 	must I be overcolouring?
must you be overcolouring?
must she be overcolouring?
must we be overcolouring?
must you be overcolouring?
must they be overcolouring? 	must I have overcoloured?
must you have overcoloured?
must she have overcoloured?
must we have overcoloured?
must you have overcoloured?
must they have overcoloured? 	must I have been overcolouring?
must you have been overcolouring?
must she have been overcolouring?
must we have been overcolouring?
must you have been overcolouring?
must they have been overcolouring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I overcolour?
mustn't you overcolour?
mustn't she overcolour?
mustn't we overcolour?
mustn't you overcolour?
mustn't they overcolour? 	mustn't I be overcolouring?
mustn't you be overcolouring?
mustn't she be overcolouring?
mustn't we be overcolouring?
mustn't you be overcolouring?
mustn't they be overcolouring? 	mustn't I have overcoloured?
mustn't you have overcoloured?
mustn't she have overcoloured?
mustn't we have overcoloured?
mustn't you have overcoloured?
mustn't they have overcoloured? 	mustn't I have been overcolouring?
mustn't you have been overcolouring?
mustn't she have been overcolouring?
mustn't we have been overcolouring?
mustn't you have been overcolouring?
mustn't they have been overcolouring?