I could belabour you could belabour he could belabour we could belabour you could belabour they could belabour
Forma com V-ing
I could be belabouring you could be belabouring he could be belabouring we could be belabouring you could be belabouring they could be belabouring
Perfeito
I could have belaboured you could have belaboured he could have belaboured we could have belaboured you could have belaboured they could have belaboured
Perfeito com V-ing
I could have been belabouring you could have been belabouring he could have been belabouring we could have been belabouring you could have been belabouring they could have been belabouring
Negação
Forma simple
I could not belabour you could not belabour he could not belabour we could not belabour you could not belabour they could not belabour
Forma com V-ing
I could not be belabouring you could not be belabouring he could not be belabouring we could not be belabouring you could not be belabouring they could not be belabouring
Perfeito
I could not have belaboured you could not have belaboured he could not have belaboured we could not have belaboured you could not have belaboured they could not have belaboured
Perfeito com V-ing
I could not have been belabouring you could not have been belabouring he could not have been belabouring we could not have been belabouring you could not have been belabouring they could not have been belabouring
Forma interrogativa
Forma simple
could I belabour? could you belabour? could he belabour? could we belabour? could you belabour? could they belabour?
Forma com V-ing
could I be belabouring? could you be belabouring? could he be belabouring? could we be belabouring? could you be belabouring? could they be belabouring?
Perfeito
could I have belaboured? could you have belaboured? could he have belaboured? could we have belaboured? could you have belaboured? could they have belaboured?
Perfeito com V-ing
could I have been belabouring? could you have been belabouring? could he have been belabouring? could we have been belabouring? could you have been belabouring? could they have been belabouring?
Forma interro-Negação
Forma simple
could I not belabour? could you not belabour? could he not belabour? could we not belabour? could you not belabour? could they not belabour?
Forma com V-ing
could I not be belabouring? could you not be belabouring? could he not be belabouring? could we not be belabouring? could you not be belabouring? could they not be belabouring?
Perfeito
could I not have belaboured? could you not have belaboured? could he not have belaboured? could we not have belaboured? could you not have belaboured? could they not have belaboured?
Perfeito com V-ing
could I not have been belabouring? could you not have been belabouring? could he not have been belabouring? could we not have been belabouring? could you not have been belabouring? could they not have been belabouring?