I can boom you can boom he can boom we can boom you can boom they can boom
Forma com V-ing
I can be booming you can be booming he can be booming we can be booming you can be booming they can be booming
Perfeito
I can have boomed you can have boomed he can have boomed we can have boomed you can have boomed they can have boomed
Perfeito com V-ing
I can have been booming you can have been booming he can have been booming we can have been booming you can have been booming they can have been booming
Negação
Forma simple
I cannot boom you cannot boom he cannot boom we cannot boom you cannot boom they cannot boom
Forma com V-ing
I cannot be booming you cannot be booming he cannot be booming we cannot be booming you cannot be booming they cannot be booming
Perfeito
I cannot have boomed you cannot have boomed he cannot have boomed we cannot have boomed you cannot have boomed they cannot have boomed
Perfeito com V-ing
I cannot have been booming you cannot have been booming he cannot have been booming we cannot have been booming you cannot have been booming they cannot have been booming
Forma interrogativa
Forma simple
can I boom? can you boom? can he boom? can we boom? can you boom? can they boom?
Forma com V-ing
can I be booming? can you be booming? can he be booming? can we be booming? can you be booming? can they be booming?
Perfeito
can I have boomed? can you have boomed? can he have boomed? can we have boomed? can you have boomed? can they have boomed?
Perfeito com V-ing
can I have been booming? can you have been booming? can he have been booming? can we have been booming? can you have been booming? can they have been booming?
Forma interro-Negação
Forma simple
can I not boom? can you not boom? can he not boom? can we not boom? can you not boom? can they not boom?
Forma com V-ing
can I not be booming? can you not be booming? can he not be booming? can we not be booming? can you not be booming? can they not be booming?
Perfeito
can I not have boomed? can you not have boomed? can he not have boomed? can we not have boomed? can you not have boomed? can they not have boomed?
Perfeito com V-ing
can I not have been booming? can you not have been booming? can he not have been booming? can we not have been booming? can you not have been booming? can they not have been booming?