I could tip you could tip she could tip we could tip you could tip they could tip
Forma com V-ing
I could be tipping you could be tipping she could be tipping we could be tipping you could be tipping they could be tipping
Perfeito
I could have tipped you could have tipped she could have tipped we could have tipped you could have tipped they could have tipped
Perfeito com V-ing
I could have been tipping you could have been tipping she could have been tipping we could have been tipping you could have been tipping they could have been tipping
Negação
Forma simple
I could not tip you could not tip she could not tip we could not tip you could not tip they could not tip
Forma com V-ing
I could not be tipping you could not be tipping she could not be tipping we could not be tipping you could not be tipping they could not be tipping
Perfeito
I could not have tipped you could not have tipped she could not have tipped we could not have tipped you could not have tipped they could not have tipped
Perfeito com V-ing
I could not have been tipping you could not have been tipping she could not have been tipping we could not have been tipping you could not have been tipping they could not have been tipping
Forma interrogativa
Forma simple
could I tip? could you tip? could she tip? could we tip? could you tip? could they tip?
Forma com V-ing
could I be tipping? could you be tipping? could she be tipping? could we be tipping? could you be tipping? could they be tipping?
Perfeito
could I have tipped? could you have tipped? could she have tipped? could we have tipped? could you have tipped? could they have tipped?
Perfeito com V-ing
could I have been tipping? could you have been tipping? could she have been tipping? could we have been tipping? could you have been tipping? could they have been tipping?
Forma interro-Negação
Forma simple
could I not tip? could you not tip? could she not tip? could we not tip? could you not tip? could they not tip?
Forma com V-ing
could I not be tipping? could you not be tipping? could she not be tipping? could we not be tipping? could you not be tipping? could they not be tipping?
Perfeito
could I not have tipped? could you not have tipped? could she not have tipped? could we not have tipped? could you not have tipped? could they not have tipped?
Perfeito com V-ing
could I not have been tipping? could you not have been tipping? could she not have been tipping? could we not have been tipping? could you not have been tipping? could they not have been tipping?