must astonish
Regular verb: astonish - astonished- astonished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must astonish
you must astonish
he must astonish
we must astonish
you must astonish
they must astonish 	I must be astonishing
you must be astonishing
he must be astonishing
we must be astonishing
you must be astonishing
they must be astonishing	I must have astonished
you must have astonished
he must have astonished
we must have astonished
you must have astonished
they must have astonished	I must have been astonishing
you must have been astonishing
he must have been astonishing
we must have been astonishing
you must have been astonishing
they must have been astonishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't astonish
you mustn't astonish
he mustn't astonish
we mustn't astonish
you mustn't astonish
they mustn't astonish 	I mustn't be astonishing
you mustn't be astonishing
he mustn't be astonishing
we mustn't be astonishing
you mustn't be astonishing
they mustn't be astonishing	I mustn't have astonished
you mustn't have astonished
he mustn't have astonished
we mustn't have astonished
you mustn't have astonished
they mustn't have astonished	I mustn't have been astonishing
you mustn't have been astonishing
he mustn't have been astonishing
we mustn't have been astonishing
you mustn't have been astonishing
they mustn't have been astonishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I astonish?
must you astonish?
must he astonish?
must we astonish?
must you astonish?
must they astonish? 	must I be astonishing?
must you be astonishing?
must he be astonishing?
must we be astonishing?
must you be astonishing?
must they be astonishing? 	must I have astonished?
must you have astonished?
must he have astonished?
must we have astonished?
must you have astonished?
must they have astonished? 	must I have been astonishing?
must you have been astonishing?
must he have been astonishing?
must we have been astonishing?
must you have been astonishing?
must they have been astonishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I astonish?
mustn't you astonish?
mustn't he astonish?
mustn't we astonish?
mustn't you astonish?
mustn't they astonish? 	mustn't I be astonishing?
mustn't you be astonishing?
mustn't he be astonishing?
mustn't we be astonishing?
mustn't you be astonishing?
mustn't they be astonishing? 	mustn't I have astonished?
mustn't you have astonished?
mustn't he have astonished?
mustn't we have astonished?
mustn't you have astonished?
mustn't they have astonished? 	mustn't I have been astonishing?
mustn't you have been astonishing?
mustn't he have been astonishing?
mustn't we have been astonishing?
mustn't you have been astonishing?
mustn't they have been astonishing?