must interpret
Regular verb: interpret - interpreted- interpreted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must interpret
you must interpret
she must interpret
we must interpret
you must interpret
they must interpret 	I must be interpreting
you must be interpreting
she must be interpreting
we must be interpreting
you must be interpreting
they must be interpreting	I must have interpreted
you must have interpreted
she must have interpreted
we must have interpreted
you must have interpreted
they must have interpreted	I must have been interpreting
you must have been interpreting
she must have been interpreting
we must have been interpreting
you must have been interpreting
they must have been interpreting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not interpret
you must not interpret
she must not interpret
we must not interpret
you must not interpret
they must not interpret 	I must not be interpreting
you must not be interpreting
she must not be interpreting
we must not be interpreting
you must not be interpreting
they must not be interpreting	I must not have interpreted
you must not have interpreted
she must not have interpreted
we must not have interpreted
you must not have interpreted
they must not have interpreted	I must not have been interpreting
you must not have been interpreting
she must not have been interpreting
we must not have been interpreting
you must not have been interpreting
they must not have been interpreting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I interpret?
must you interpret?
must she interpret?
must we interpret?
must you interpret?
must they interpret? 	must I be interpreting?
must you be interpreting?
must she be interpreting?
must we be interpreting?
must you be interpreting?
must they be interpreting? 	must I have interpreted?
must you have interpreted?
must she have interpreted?
must we have interpreted?
must you have interpreted?
must they have interpreted? 	must I have been interpreting?
must you have been interpreting?
must she have been interpreting?
must we have been interpreting?
must you have been interpreting?
must they have been interpreting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not interpret?
must you not interpret?
must she not interpret?
must we not interpret?
must you not interpret?
must they not interpret? 	must I not be interpreting?
must you not be interpreting?
must she not be interpreting?
must we not be interpreting?
must you not be interpreting?
must they not be interpreting? 	must I not have interpreted?
must you not have interpreted?
must she not have interpreted?
must we not have interpreted?
must you not have interpreted?
must they not have interpreted? 	must I not have been interpreting?
must you not have been interpreting?
must she not have been interpreting?
must we not have been interpreting?
must you not have been interpreting?
must they not have been interpreting?