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 can't boo you can't boo he can't boo we can't boo you can't boo they can't boo	I can't be booing you can't be booing he can't be booing we can't be booing you can't be booing they can't be booing
Perfeito	Perfeito com V-ing
I can't have booed you can't have booed he can't have booed we can't have booed you can't have booed they can't have booed	I can't have been booing you can't have been booing he can't have been booing we can't have been booing you can't have been booing they can't 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't I boo? can't you boo? can't he boo? can't we boo? can't you boo? can't they boo?	can't I be booing? can't you be booing? can't he be booing? can't we be booing? can't you be booing? can't they be booing?
Perfeito	Perfeito com V-ing
can't I have booed? can't you have booed? can't he have booed? can't we have booed? can't you have booed? can't they have booed?	can't I have been booing? can't you have been booing? can't he have been booing? can't we have been booing? can't you have been booing? can't they have been booing?