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