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 couldn't bottom
you couldn't bottom
he couldn't bottom
we couldn't bottom
you couldn't bottom
they couldn't bottom 	I couldn't be bottoming
you couldn't be bottoming
he couldn't be bottoming
we couldn't be bottoming
you couldn't be bottoming
they couldn't be bottoming	I couldn't have bottomed
you couldn't have bottomed
he couldn't have bottomed
we couldn't have bottomed
you couldn't have bottomed
they couldn't have bottomed	I couldn't have been bottoming
you couldn't have been bottoming
he couldn't have been bottoming
we couldn't have been bottoming
you couldn't have been bottoming
they couldn't 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 	
couldn't I bottom?
couldn't you bottom?
couldn't he bottom?
couldn't we bottom?
couldn't you bottom?
couldn't they bottom? 	couldn't I be bottoming?
couldn't you be bottoming?
couldn't he be bottoming?
couldn't we be bottoming?
couldn't you be bottoming?
couldn't they be bottoming? 	couldn't I have bottomed?
couldn't you have bottomed?
couldn't he have bottomed?
couldn't we have bottomed?
couldn't you have bottomed?
couldn't they have bottomed? 	couldn't I have been bottoming?
couldn't you have been bottoming?
couldn't he have been bottoming?
couldn't we have been bottoming?
couldn't you have been bottoming?
couldn't they have been bottoming?