Conjugación del verbo inglés
COULD BOO

Verbo regular: boo - booed - booed

Afirmación

Forma simple	Forma con V-ing
I could boo you could boo he could boo we could boo you could boo they could boo	I could be booing you could be booing he could be booing we could be booing you could be booing they could be booing
Perfecto	Perfecto con V-ing
I could have booed you could have booed he could have booed we could have booed you could have booed they could have booed	I could have been booing you could have been booing he could have been booing we could have been booing you could have been booing they could have been booing

Negación

Forma simple	Forma con V-ing
I could not boo you could not boo he could not boo we could not boo you could not boo they could not boo	I could not be booing you could not be booing he could not be booing we could not be booing you could not be booing they could not be booing
Perfecto	Perfecto con V-ing
I could not have booed you could not have booed he could not have booed we could not have booed you could not have booed they could not have booed	I could not have been booing you could not have been booing he could not have been booing we could not have been booing you could not have been booing they could not have been booing

Forma interrogativa

Forma simple	Forma con V-ing
could I boo? could you boo? could he boo? could we boo? could you boo? could they boo?	could I be booing? could you be booing? could he be booing? could we be booing? could you be booing? could they be booing?
Perfecto	Perfecto con V-ing
could I have booed? could you have booed? could he have booed? could we have booed? could you have booed? could they have booed?	could I have been booing? could you have been booing? could he have been booing? could we have been booing? could you have been booing? could they have been booing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not boo? could you not boo? could he not boo? could we not boo? could you not boo? could they not boo?	could I not be booing? could you not be booing? could he not be booing? could we not be booing? could you not be booing? could they not be booing?
Perfecto	Perfecto con V-ing
could I not have booed? could you not have booed? could he not have booed? could we not have booed? could you not have booed? could they not have booed?	could I not have been booing? could you not have been booing? could he not have been booing? could we not have been booing? could you not have been booing? could they not have been booing?