must kiss
Verbo regular: kiss - kissed- kissed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must kiss
you must kiss
she must kiss
we must kiss
you must kiss
they must kiss 	I must be kissing
you must be kissing
she must be kissing
we must be kissing
you must be kissing
they must be kissing	I must have kissed
you must have kissed
she must have kissed
we must have kissed
you must have kissed
they must have kissed	I must have been kissing
you must have been kissing
she must have been kissing
we must have been kissing
you must have been kissing
they must have been kissing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't kiss
you mustn't kiss
she mustn't kiss
we mustn't kiss
you mustn't kiss
they mustn't kiss 	I mustn't be kissing
you mustn't be kissing
she mustn't be kissing
we mustn't be kissing
you mustn't be kissing
they mustn't be kissing	I mustn't have kissed
you mustn't have kissed
she mustn't have kissed
we mustn't have kissed
you mustn't have kissed
they mustn't have kissed	I mustn't have been kissing
you mustn't have been kissing
she mustn't have been kissing
we mustn't have been kissing
you mustn't have been kissing
they mustn't have been kissing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I kiss?
must you kiss?
must she kiss?
must we kiss?
must you kiss?
must they kiss? 	must I be kissing?
must you be kissing?
must she be kissing?
must we be kissing?
must you be kissing?
must they be kissing? 	must I have kissed?
must you have kissed?
must she have kissed?
must we have kissed?
must you have kissed?
must they have kissed? 	must I have been kissing?
must you have been kissing?
must she have been kissing?
must we have been kissing?
must you have been kissing?
must they have been kissing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I kiss?
mustn't you kiss?
mustn't she kiss?
mustn't we kiss?
mustn't you kiss?
mustn't they kiss? 	mustn't I be kissing?
mustn't you be kissing?
mustn't she be kissing?
mustn't we be kissing?
mustn't you be kissing?
mustn't they be kissing? 	mustn't I have kissed?
mustn't you have kissed?
mustn't she have kissed?
mustn't we have kissed?
mustn't you have kissed?
mustn't they have kissed? 	mustn't I have been kissing?
mustn't you have been kissing?
mustn't she have been kissing?
mustn't we have been kissing?
mustn't you have been kissing?
mustn't they have been kissing?