must subtract
Verbo regolare: subtract - subtracted- subtracted

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must subtract
you must subtract
he must subtract
we must subtract
you must subtract
they must subtract 	I must be subtracting
you must be subtracting
he must be subtracting
we must be subtracting
you must be subtracting
they must be subtracting	I must have subtracted
you must have subtracted
he must have subtracted
we must have subtracted
you must have subtracted
they must have subtracted	I must have been subtracting
you must have been subtracting
he must have been subtracting
we must have been subtracting
you must have been subtracting
they must have been subtracting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't subtract
you mustn't subtract
he mustn't subtract
we mustn't subtract
you mustn't subtract
they mustn't subtract 	I mustn't be subtracting
you mustn't be subtracting
he mustn't be subtracting
we mustn't be subtracting
you mustn't be subtracting
they mustn't be subtracting	I mustn't have subtracted
you mustn't have subtracted
he mustn't have subtracted
we mustn't have subtracted
you mustn't have subtracted
they mustn't have subtracted	I mustn't have been subtracting
you mustn't have been subtracting
he mustn't have been subtracting
we mustn't have been subtracting
you mustn't have been subtracting
they mustn't have been subtracting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I subtract?
must you subtract?
must he subtract?
must we subtract?
must you subtract?
must they subtract? 	must I be subtracting?
must you be subtracting?
must he be subtracting?
must we be subtracting?
must you be subtracting?
must they be subtracting? 	must I have subtracted?
must you have subtracted?
must he have subtracted?
must we have subtracted?
must you have subtracted?
must they have subtracted? 	must I have been subtracting?
must you have been subtracting?
must he have been subtracting?
must we have been subtracting?
must you have been subtracting?
must they have been subtracting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I subtract?
mustn't you subtract?
mustn't he subtract?
mustn't we subtract?
mustn't you subtract?
mustn't they subtract? 	mustn't I be subtracting?
mustn't you be subtracting?
mustn't he be subtracting?
mustn't we be subtracting?
mustn't you be subtracting?
mustn't they be subtracting? 	mustn't I have subtracted?
mustn't you have subtracted?
mustn't he have subtracted?
mustn't we have subtracted?
mustn't you have subtracted?
mustn't they have subtracted? 	mustn't I have been subtracting?
mustn't you have been subtracting?
mustn't he have been subtracting?
mustn't we have been subtracting?
mustn't you have been subtracting?
mustn't they have been subtracting?