must shy
Regular verb: shy - shied- shied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shy
you must shy
he must shy
we must shy
you must shy
they must shy 	I must be shying
you must be shying
he must be shying
we must be shying
you must be shying
they must be shying	I must have shied
you must have shied
he must have shied
we must have shied
you must have shied
they must have shied	I must have been shying
you must have been shying
he must have been shying
we must have been shying
you must have been shying
they must have been shying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't shy
you mustn't shy
he mustn't shy
we mustn't shy
you mustn't shy
they mustn't shy 	I mustn't be shying
you mustn't be shying
he mustn't be shying
we mustn't be shying
you mustn't be shying
they mustn't be shying	I mustn't have shied
you mustn't have shied
he mustn't have shied
we mustn't have shied
you mustn't have shied
they mustn't have shied	I mustn't have been shying
you mustn't have been shying
he mustn't have been shying
we mustn't have been shying
you mustn't have been shying
they mustn't have been shying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I shy?
must you shy?
must he shy?
must we shy?
must you shy?
must they shy? 	must I be shying?
must you be shying?
must he be shying?
must we be shying?
must you be shying?
must they be shying? 	must I have shied?
must you have shied?
must he have shied?
must we have shied?
must you have shied?
must they have shied? 	must I have been shying?
must you have been shying?
must he have been shying?
must we have been shying?
must you have been shying?
must they have been shying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I shy?
mustn't you shy?
mustn't he shy?
mustn't we shy?
mustn't you shy?
mustn't they shy? 	mustn't I be shying?
mustn't you be shying?
mustn't he be shying?
mustn't we be shying?
mustn't you be shying?
mustn't they be shying? 	mustn't I have shied?
mustn't you have shied?
mustn't he have shied?
mustn't we have shied?
mustn't you have shied?
mustn't they have shied? 	mustn't I have been shying?
mustn't you have been shying?
mustn't he have been shying?
mustn't we have been shying?
mustn't you have been shying?
mustn't they have been shying?