could bottom
Verbo regular: bottom - bottomed- bottomed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could bottom
you could bottom
he could bottom
we could bottom
you could bottom
they could bottom 	I could be bottoming
you could be bottoming
he could be bottoming
we could be bottoming
you could be bottoming
they could be bottoming	I could have bottomed
you could have bottomed
he could have bottomed
we could have bottomed
you could have bottomed
they could have bottomed	I could have been bottoming
you could have been bottoming
he could have been bottoming
we could have been bottoming
you could have been bottoming
they could have been bottoming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not bottom
you could not bottom
he could not bottom
we could not bottom
you could not bottom
they could not bottom 	I could not be bottoming
you could not be bottoming
he could not be bottoming
we could not be bottoming
you could not be bottoming
they could not be bottoming	I could not have bottomed
you could not have bottomed
he could not have bottomed
we could not have bottomed
you could not have bottomed
they could not have bottomed	I could not have been bottoming
you could not have been bottoming
he could not have been bottoming
we could not have been bottoming
you could not have been bottoming
they could not have been bottoming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I bottom?
could you bottom?
could he bottom?
could we bottom?
could you bottom?
could they bottom? 	could I be bottoming?
could you be bottoming?
could he be bottoming?
could we be bottoming?
could you be bottoming?
could they be bottoming? 	could I have bottomed?
could you have bottomed?
could he have bottomed?
could we have bottomed?
could you have bottomed?
could they have bottomed? 	could I have been bottoming?
could you have been bottoming?
could he have been bottoming?
could we have been bottoming?
could you have been bottoming?
could they have been bottoming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not bottom?
could you not bottom?
could he not bottom?
could we not bottom?
could you not bottom?
could they not bottom? 	could I not be bottoming?
could you not be bottoming?
could he not be bottoming?
could we not be bottoming?
could you not be bottoming?
could they not be bottoming? 	could I not have bottomed?
could you not have bottomed?
could he not have bottomed?
could we not have bottomed?
could you not have bottomed?
could they not have bottomed? 	could I not have been bottoming?
could you not have been bottoming?
could he not have been bottoming?
could we not have been bottoming?
could you not have been bottoming?
could they not have been bottoming?