could flub
Verbo regular: flub - flubed- flubed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could flub
you could flub
she could flub
we could flub
you could flub
they could flub 	I could be flubing
you could be flubing
she could be flubing
we could be flubing
you could be flubing
they could be flubing	I could have flubed
you could have flubed
she could have flubed
we could have flubed
you could have flubed
they could have flubed	I could have been flubing
you could have been flubing
she could have been flubing
we could have been flubing
you could have been flubing
they could have been flubing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not flub
you could not flub
she could not flub
we could not flub
you could not flub
they could not flub 	I could not be flubing
you could not be flubing
she could not be flubing
we could not be flubing
you could not be flubing
they could not be flubing	I could not have flubed
you could not have flubed
she could not have flubed
we could not have flubed
you could not have flubed
they could not have flubed	I could not have been flubing
you could not have been flubing
she could not have been flubing
we could not have been flubing
you could not have been flubing
they could not have been flubing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I flub?
could you flub?
could she flub?
could we flub?
could you flub?
could they flub? 	could I be flubing?
could you be flubing?
could she be flubing?
could we be flubing?
could you be flubing?
could they be flubing? 	could I have flubed?
could you have flubed?
could she have flubed?
could we have flubed?
could you have flubed?
could they have flubed? 	could I have been flubing?
could you have been flubing?
could she have been flubing?
could we have been flubing?
could you have been flubing?
could they have been flubing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not flub?
could you not flub?
could she not flub?
could we not flub?
could you not flub?
could they not flub? 	could I not be flubing?
could you not be flubing?
could she not be flubing?
could we not be flubing?
could you not be flubing?
could they not be flubing? 	could I not have flubed?
could you not have flubed?
could she not have flubed?
could we not have flubed?
could you not have flubed?
could they not have flubed? 	could I not have been flubing?
could you not have been flubing?
could she not have been flubing?
could we not have been flubing?
could you not have been flubing?
could they not have been flubing?