must alibi
Verbo regular: alibi - alibied- alibied

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must alibi
you must alibi
he must alibi
we must alibi
you must alibi
they must alibi 	I must be alibiing
you must be alibiing
he must be alibiing
we must be alibiing
you must be alibiing
they must be alibiing	I must have alibied
you must have alibied
he must have alibied
we must have alibied
you must have alibied
they must have alibied	I must have been alibiing
you must have been alibiing
he must have been alibiing
we must have been alibiing
you must have been alibiing
they must have been alibiing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't alibi
you mustn't alibi
he mustn't alibi
we mustn't alibi
you mustn't alibi
they mustn't alibi 	I mustn't be alibiing
you mustn't be alibiing
he mustn't be alibiing
we mustn't be alibiing
you mustn't be alibiing
they mustn't be alibiing	I mustn't have alibied
you mustn't have alibied
he mustn't have alibied
we mustn't have alibied
you mustn't have alibied
they mustn't have alibied	I mustn't have been alibiing
you mustn't have been alibiing
he mustn't have been alibiing
we mustn't have been alibiing
you mustn't have been alibiing
they mustn't have been alibiing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I alibi?
must you alibi?
must he alibi?
must we alibi?
must you alibi?
must they alibi? 	must I be alibiing?
must you be alibiing?
must he be alibiing?
must we be alibiing?
must you be alibiing?
must they be alibiing? 	must I have alibied?
must you have alibied?
must he have alibied?
must we have alibied?
must you have alibied?
must they have alibied? 	must I have been alibiing?
must you have been alibiing?
must he have been alibiing?
must we have been alibiing?
must you have been alibiing?
must they have been alibiing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I alibi?
mustn't you alibi?
mustn't he alibi?
mustn't we alibi?
mustn't you alibi?
mustn't they alibi? 	mustn't I be alibiing?
mustn't you be alibiing?
mustn't he be alibiing?
mustn't we be alibiing?
mustn't you be alibiing?
mustn't they be alibiing? 	mustn't I have alibied?
mustn't you have alibied?
mustn't he have alibied?
mustn't we have alibied?
mustn't you have alibied?
mustn't they have alibied? 	mustn't I have been alibiing?
mustn't you have been alibiing?
mustn't he have been alibiing?
mustn't we have been alibiing?
mustn't you have been alibiing?
mustn't they have been alibiing?