must nullify
Verbo regular: nullify - nullified- nullified

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must nullify
you must nullify
she must nullify
we must nullify
you must nullify
they must nullify 	I must be nullifying
you must be nullifying
she must be nullifying
we must be nullifying
you must be nullifying
they must be nullifying	I must have nullified
you must have nullified
she must have nullified
we must have nullified
you must have nullified
they must have nullified	I must have been nullifying
you must have been nullifying
she must have been nullifying
we must have been nullifying
you must have been nullifying
they must have been nullifying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not nullify
you must not nullify
she must not nullify
we must not nullify
you must not nullify
they must not nullify 	I must not be nullifying
you must not be nullifying
she must not be nullifying
we must not be nullifying
you must not be nullifying
they must not be nullifying	I must not have nullified
you must not have nullified
she must not have nullified
we must not have nullified
you must not have nullified
they must not have nullified	I must not have been nullifying
you must not have been nullifying
she must not have been nullifying
we must not have been nullifying
you must not have been nullifying
they must not have been nullifying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I nullify?
must you nullify?
must she nullify?
must we nullify?
must you nullify?
must they nullify? 	must I be nullifying?
must you be nullifying?
must she be nullifying?
must we be nullifying?
must you be nullifying?
must they be nullifying? 	must I have nullified?
must you have nullified?
must she have nullified?
must we have nullified?
must you have nullified?
must they have nullified? 	must I have been nullifying?
must you have been nullifying?
must she have been nullifying?
must we have been nullifying?
must you have been nullifying?
must they have been nullifying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not nullify?
must you not nullify?
must she not nullify?
must we not nullify?
must you not nullify?
must they not nullify? 	must I not be nullifying?
must you not be nullifying?
must she not be nullifying?
must we not be nullifying?
must you not be nullifying?
must they not be nullifying? 	must I not have nullified?
must you not have nullified?
must she not have nullified?
must we not have nullified?
must you not have nullified?
must they not have nullified? 	must I not have been nullifying?
must you not have been nullifying?
must she not have been nullifying?
must we not have been nullifying?
must you not have been nullifying?
must they not have been nullifying?