must circumcise
Regular verb: circumcise - circumcised- circumcised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must circumcise
you must circumcise
she must circumcise
we must circumcise
you must circumcise
they must circumcise 	I must be circumcising
you must be circumcising
she must be circumcising
we must be circumcising
you must be circumcising
they must be circumcising	I must have circumcised
you must have circumcised
she must have circumcised
we must have circumcised
you must have circumcised
they must have circumcised	I must have been circumcising
you must have been circumcising
she must have been circumcising
we must have been circumcising
you must have been circumcising
they must have been circumcising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't circumcise
you mustn't circumcise
she mustn't circumcise
we mustn't circumcise
you mustn't circumcise
they mustn't circumcise 	I mustn't be circumcising
you mustn't be circumcising
she mustn't be circumcising
we mustn't be circumcising
you mustn't be circumcising
they mustn't be circumcising	I mustn't have circumcised
you mustn't have circumcised
she mustn't have circumcised
we mustn't have circumcised
you mustn't have circumcised
they mustn't have circumcised	I mustn't have been circumcising
you mustn't have been circumcising
she mustn't have been circumcising
we mustn't have been circumcising
you mustn't have been circumcising
they mustn't have been circumcising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I circumcise?
must you circumcise?
must she circumcise?
must we circumcise?
must you circumcise?
must they circumcise? 	must I be circumcising?
must you be circumcising?
must she be circumcising?
must we be circumcising?
must you be circumcising?
must they be circumcising? 	must I have circumcised?
must you have circumcised?
must she have circumcised?
must we have circumcised?
must you have circumcised?
must they have circumcised? 	must I have been circumcising?
must you have been circumcising?
must she have been circumcising?
must we have been circumcising?
must you have been circumcising?
must they have been circumcising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I circumcise?
mustn't you circumcise?
mustn't she circumcise?
mustn't we circumcise?
mustn't you circumcise?
mustn't they circumcise? 	mustn't I be circumcising?
mustn't you be circumcising?
mustn't she be circumcising?
mustn't we be circumcising?
mustn't you be circumcising?
mustn't they be circumcising? 	mustn't I have circumcised?
mustn't you have circumcised?
mustn't she have circumcised?
mustn't we have circumcised?
mustn't you have circumcised?
mustn't they have circumcised? 	mustn't I have been circumcising?
mustn't you have been circumcising?
mustn't she have been circumcising?
mustn't we have been circumcising?
mustn't you have been circumcising?
mustn't they have been circumcising?