must shape
Regular verb: shape - shaped- shaped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shape
you must shape
she must shape
we must shape
you must shape
they must shape 	I must be shaping
you must be shaping
she must be shaping
we must be shaping
you must be shaping
they must be shaping	I must have shaped
you must have shaped
she must have shaped
we must have shaped
you must have shaped
they must have shaped	I must have been shaping
you must have been shaping
she must have been shaping
we must have been shaping
you must have been shaping
they must have been shaping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't shape
you mustn't shape
she mustn't shape
we mustn't shape
you mustn't shape
they mustn't shape 	I mustn't be shaping
you mustn't be shaping
she mustn't be shaping
we mustn't be shaping
you mustn't be shaping
they mustn't be shaping	I mustn't have shaped
you mustn't have shaped
she mustn't have shaped
we mustn't have shaped
you mustn't have shaped
they mustn't have shaped	I mustn't have been shaping
you mustn't have been shaping
she mustn't have been shaping
we mustn't have been shaping
you mustn't have been shaping
they mustn't have been shaping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I shape?
must you shape?
must she shape?
must we shape?
must you shape?
must they shape? 	must I be shaping?
must you be shaping?
must she be shaping?
must we be shaping?
must you be shaping?
must they be shaping? 	must I have shaped?
must you have shaped?
must she have shaped?
must we have shaped?
must you have shaped?
must they have shaped? 	must I have been shaping?
must you have been shaping?
must she have been shaping?
must we have been shaping?
must you have been shaping?
must they have been shaping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I shape?
mustn't you shape?
mustn't she shape?
mustn't we shape?
mustn't you shape?
mustn't they shape? 	mustn't I be shaping?
mustn't you be shaping?
mustn't she be shaping?
mustn't we be shaping?
mustn't you be shaping?
mustn't they be shaping? 	mustn't I have shaped?
mustn't you have shaped?
mustn't she have shaped?
mustn't we have shaped?
mustn't you have shaped?
mustn't they have shaped? 	mustn't I have been shaping?
mustn't you have been shaping?
mustn't she have been shaping?
mustn't we have been shaping?
mustn't you have been shaping?
mustn't they have been shaping?