must infix
Verbo regular: infix - infixed- infixed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must infix
you must infix
she must infix
we must infix
you must infix
they must infix 	I must be infixing
you must be infixing
she must be infixing
we must be infixing
you must be infixing
they must be infixing	I must have infixed
you must have infixed
she must have infixed
we must have infixed
you must have infixed
they must have infixed	I must have been infixing
you must have been infixing
she must have been infixing
we must have been infixing
you must have been infixing
they must have been infixing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not infix
you must not infix
she must not infix
we must not infix
you must not infix
they must not infix 	I must not be infixing
you must not be infixing
she must not be infixing
we must not be infixing
you must not be infixing
they must not be infixing	I must not have infixed
you must not have infixed
she must not have infixed
we must not have infixed
you must not have infixed
they must not have infixed	I must not have been infixing
you must not have been infixing
she must not have been infixing
we must not have been infixing
you must not have been infixing
they must not have been infixing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I infix?
must you infix?
must she infix?
must we infix?
must you infix?
must they infix? 	must I be infixing?
must you be infixing?
must she be infixing?
must we be infixing?
must you be infixing?
must they be infixing? 	must I have infixed?
must you have infixed?
must she have infixed?
must we have infixed?
must you have infixed?
must they have infixed? 	must I have been infixing?
must you have been infixing?
must she have been infixing?
must we have been infixing?
must you have been infixing?
must they have been infixing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not infix?
must you not infix?
must she not infix?
must we not infix?
must you not infix?
must they not infix? 	must I not be infixing?
must you not be infixing?
must she not be infixing?
must we not be infixing?
must you not be infixing?
must they not be infixing? 	must I not have infixed?
must you not have infixed?
must she not have infixed?
must we not have infixed?
must you not have infixed?
must they not have infixed? 	must I not have been infixing?
must you not have been infixing?
must she not have been infixing?
must we not have been infixing?
must you not have been infixing?
must they not have been infixing?