I must boo you must boo he must boo we must boo you must boo they must boo
Forma com V-ing
I must be booing you must be booing he must be booing we must be booing you must be booing they must be booing
Perfeito
I must have booed you must have booed he must have booed we must have booed you must have booed they must have booed
Perfeito com V-ing
I must have been booing you must have been booing he must have been booing we must have been booing you must have been booing they must have been booing
Negação
Forma simple
I mustn't boo you mustn't boo he mustn't boo we mustn't boo you mustn't boo they mustn't boo
Forma com V-ing
I mustn't be booing you mustn't be booing he mustn't be booing we mustn't be booing you mustn't be booing they mustn't be booing
Perfeito
I mustn't have booed you mustn't have booed he mustn't have booed we mustn't have booed you mustn't have booed they mustn't have booed
Perfeito com V-ing
I mustn't have been booing you mustn't have been booing he mustn't have been booing we mustn't have been booing you mustn't have been booing they mustn't have been booing
Forma interrogativa
Forma simple
must I boo? must you boo? must he boo? must we boo? must you boo? must they boo?
Forma com V-ing
must I be booing? must you be booing? must he be booing? must we be booing? must you be booing? must they be booing?
Perfeito
must I have booed? must you have booed? must he have booed? must we have booed? must you have booed? must they have booed?
Perfeito com V-ing
must I have been booing? must you have been booing? must he have been booing? must we have been booing? must you have been booing? must they have been booing?
Forma interro-Negação
Forma simple
mustn't I boo? mustn't you boo? mustn't he boo? mustn't we boo? mustn't you boo? mustn't they boo?
Forma com V-ing
mustn't I be booing? mustn't you be booing? mustn't he be booing? mustn't we be booing? mustn't you be booing? mustn't they be booing?
Perfeito
mustn't I have booed? mustn't you have booed? mustn't he have booed? mustn't we have booed? mustn't you have booed? mustn't they have booed?
Perfeito com V-ing
mustn't I have been booing? mustn't you have been booing? mustn't he have been booing? mustn't we have been booing? mustn't you have been booing? mustn't they have been booing?