Conjugação do verbo inglês
CAN BOO

Verbo regular: boo - booed - booed

Afirmação

Forma simple	Forma com V-ing
I can boo you can boo he can boo we can boo you can boo they can boo	I can be booing you can be booing he can be booing we can be booing you can be booing they can be booing
Perfeito	Perfeito com V-ing
I can have booed you can have booed he can have booed we can have booed you can have booed they can have booed	I can have been booing you can have been booing he can have been booing we can have been booing you can have been booing they can have been booing

Negação

Forma simple	Forma com V-ing
I cannot boo you cannot boo he cannot boo we cannot boo you cannot boo they cannot boo	I cannot be booing you cannot be booing he cannot be booing we cannot be booing you cannot be booing they cannot be booing
Perfeito	Perfeito com V-ing
I cannot have booed you cannot have booed he cannot have booed we cannot have booed you cannot have booed they cannot have booed	I cannot have been booing you cannot have been booing he cannot have been booing we cannot have been booing you cannot have been booing they cannot have been booing

Forma interrogativa

Forma simple	Forma com V-ing
can I boo? can you boo? can he boo? can we boo? can you boo? can they boo?	can I be booing? can you be booing? can he be booing? can we be booing? can you be booing? can they be booing?
Perfeito	Perfeito com V-ing
can I have booed? can you have booed? can he have booed? can we have booed? can you have booed? can they have booed?	can I have been booing? can you have been booing? can he have been booing? can we have been booing? can you have been booing? can they have been booing?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not boo? can you not boo? can he not boo? can we not boo? can you not boo? can they not boo?	can I not be booing? can you not be booing? can he not be booing? can we not be booing? can you not be booing? can they not be booing?
Perfeito	Perfeito com V-ing
can I not have booed? can you not have booed? can he not have booed? can we not have booed? can you not have booed? can they not have booed?	can I not have been booing? can you not have been booing? can he not have been booing? can we not have been booing? can you not have been booing? can they not have been booing?