must lobotomise
Regular verb: lobotomise - lobotomised- lobotomised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lobotomise
you must lobotomise
she must lobotomise
we must lobotomise
you must lobotomise
they must lobotomise 	I must be lobotomising
you must be lobotomising
she must be lobotomising
we must be lobotomising
you must be lobotomising
they must be lobotomising	I must have lobotomised
you must have lobotomised
she must have lobotomised
we must have lobotomised
you must have lobotomised
they must have lobotomised	I must have been lobotomising
you must have been lobotomising
she must have been lobotomising
we must have been lobotomising
you must have been lobotomising
they must have been lobotomising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not lobotomise
you must not lobotomise
she must not lobotomise
we must not lobotomise
you must not lobotomise
they must not lobotomise 	I must not be lobotomising
you must not be lobotomising
she must not be lobotomising
we must not be lobotomising
you must not be lobotomising
they must not be lobotomising	I must not have lobotomised
you must not have lobotomised
she must not have lobotomised
we must not have lobotomised
you must not have lobotomised
they must not have lobotomised	I must not have been lobotomising
you must not have been lobotomising
she must not have been lobotomising
we must not have been lobotomising
you must not have been lobotomising
they must not have been lobotomising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I lobotomise?
must you lobotomise?
must she lobotomise?
must we lobotomise?
must you lobotomise?
must they lobotomise? 	must I be lobotomising?
must you be lobotomising?
must she be lobotomising?
must we be lobotomising?
must you be lobotomising?
must they be lobotomising? 	must I have lobotomised?
must you have lobotomised?
must she have lobotomised?
must we have lobotomised?
must you have lobotomised?
must they have lobotomised? 	must I have been lobotomising?
must you have been lobotomising?
must she have been lobotomising?
must we have been lobotomising?
must you have been lobotomising?
must they have been lobotomising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not lobotomise?
must you not lobotomise?
must she not lobotomise?
must we not lobotomise?
must you not lobotomise?
must they not lobotomise? 	must I not be lobotomising?
must you not be lobotomising?
must she not be lobotomising?
must we not be lobotomising?
must you not be lobotomising?
must they not be lobotomising? 	must I not have lobotomised?
must you not have lobotomised?
must she not have lobotomised?
must we not have lobotomised?
must you not have lobotomised?
must they not have lobotomised? 	must I not have been lobotomising?
must you not have been lobotomising?
must she not have been lobotomising?
must we not have been lobotomising?
must you not have been lobotomising?
must they not have been lobotomising?