must summon
Verbo regular: summon - summoned- summoned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must summon
you must summon
she must summon
we must summon
you must summon
they must summon 	I must be summoning
you must be summoning
she must be summoning
we must be summoning
you must be summoning
they must be summoning	I must have summoned
you must have summoned
she must have summoned
we must have summoned
you must have summoned
they must have summoned	I must have been summoning
you must have been summoning
she must have been summoning
we must have been summoning
you must have been summoning
they must have been summoning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not summon
you must not summon
she must not summon
we must not summon
you must not summon
they must not summon 	I must not be summoning
you must not be summoning
she must not be summoning
we must not be summoning
you must not be summoning
they must not be summoning	I must not have summoned
you must not have summoned
she must not have summoned
we must not have summoned
you must not have summoned
they must not have summoned	I must not have been summoning
you must not have been summoning
she must not have been summoning
we must not have been summoning
you must not have been summoning
they must not have been summoning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I summon?
must you summon?
must she summon?
must we summon?
must you summon?
must they summon? 	must I be summoning?
must you be summoning?
must she be summoning?
must we be summoning?
must you be summoning?
must they be summoning? 	must I have summoned?
must you have summoned?
must she have summoned?
must we have summoned?
must you have summoned?
must they have summoned? 	must I have been summoning?
must you have been summoning?
must she have been summoning?
must we have been summoning?
must you have been summoning?
must they have been summoning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not summon?
must you not summon?
must she not summon?
must we not summon?
must you not summon?
must they not summon? 	must I not be summoning?
must you not be summoning?
must she not be summoning?
must we not be summoning?
must you not be summoning?
must they not be summoning? 	must I not have summoned?
must you not have summoned?
must she not have summoned?
must we not have summoned?
must you not have summoned?
must they not have summoned? 	must I not have been summoning?
must you not have been summoning?
must she not have been summoning?
must we not have been summoning?
must you not have been summoning?
must they not have been summoning?