can boo
Verbo regular: boo - booed- booed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito 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	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 	Perfeito 	Perfeito 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	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 	Perfeito 	Perfeito 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? 	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 	Perfeito 	Perfeito 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? 	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?