must affirm
Verbo regular: affirm - affirmed- affirmed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must affirm
you must affirm
she must affirm
we must affirm
you must affirm
they must affirm 	I must be affirming
you must be affirming
she must be affirming
we must be affirming
you must be affirming
they must be affirming	I must have affirmed
you must have affirmed
she must have affirmed
we must have affirmed
you must have affirmed
they must have affirmed	I must have been affirming
you must have been affirming
she must have been affirming
we must have been affirming
you must have been affirming
they must have been affirming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not affirm
you must not affirm
she must not affirm
we must not affirm
you must not affirm
they must not affirm 	I must not be affirming
you must not be affirming
she must not be affirming
we must not be affirming
you must not be affirming
they must not be affirming	I must not have affirmed
you must not have affirmed
she must not have affirmed
we must not have affirmed
you must not have affirmed
they must not have affirmed	I must not have been affirming
you must not have been affirming
she must not have been affirming
we must not have been affirming
you must not have been affirming
they must not have been affirming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I affirm?
must you affirm?
must she affirm?
must we affirm?
must you affirm?
must they affirm? 	must I be affirming?
must you be affirming?
must she be affirming?
must we be affirming?
must you be affirming?
must they be affirming? 	must I have affirmed?
must you have affirmed?
must she have affirmed?
must we have affirmed?
must you have affirmed?
must they have affirmed? 	must I have been affirming?
must you have been affirming?
must she have been affirming?
must we have been affirming?
must you have been affirming?
must they have been affirming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not affirm?
must you not affirm?
must she not affirm?
must we not affirm?
must you not affirm?
must they not affirm? 	must I not be affirming?
must you not be affirming?
must she not be affirming?
must we not be affirming?
must you not be affirming?
must they not be affirming? 	must I not have affirmed?
must you not have affirmed?
must she not have affirmed?
must we not have affirmed?
must you not have affirmed?
must they not have affirmed? 	must I not have been affirming?
must you not have been affirming?
must she not have been affirming?
must we not have been affirming?
must you not have been affirming?
must they not have been affirming?