I could vaporise you could vaporise he could vaporise we could vaporise you could vaporise they could vaporise
Forma con V-ing
I could be vaporising you could be vaporising he could be vaporising we could be vaporising you could be vaporising they could be vaporising
Perfecto
I could have vaporised you could have vaporised he could have vaporised we could have vaporised you could have vaporised they could have vaporised
Perfecto con V-ing
I could have been vaporising you could have been vaporising he could have been vaporising we could have been vaporising you could have been vaporising they could have been vaporising
Negación
Forma simple
I could not vaporise you could not vaporise he could not vaporise we could not vaporise you could not vaporise they could not vaporise
Forma con V-ing
I could not be vaporising you could not be vaporising he could not be vaporising we could not be vaporising you could not be vaporising they could not be vaporising
Perfecto
I could not have vaporised you could not have vaporised he could not have vaporised we could not have vaporised you could not have vaporised they could not have vaporised
Perfecto con V-ing
I could not have been vaporising you could not have been vaporising he could not have been vaporising we could not have been vaporising you could not have been vaporising they could not have been vaporising
Forma interrogativa
Forma simple
could I vaporise? could you vaporise? could he vaporise? could we vaporise? could you vaporise? could they vaporise?
Forma con V-ing
could I be vaporising? could you be vaporising? could he be vaporising? could we be vaporising? could you be vaporising? could they be vaporising?
Perfecto
could I have vaporised? could you have vaporised? could he have vaporised? could we have vaporised? could you have vaporised? could they have vaporised?
Perfecto con V-ing
could I have been vaporising? could you have been vaporising? could he have been vaporising? could we have been vaporising? could you have been vaporising? could they have been vaporising?
Forma interro-negativa
Forma simple
could I not vaporise? could you not vaporise? could he not vaporise? could we not vaporise? could you not vaporise? could they not vaporise?
Forma con V-ing
could I not be vaporising? could you not be vaporising? could he not be vaporising? could we not be vaporising? could you not be vaporising? could they not be vaporising?
Perfecto
could I not have vaporised? could you not have vaporised? could he not have vaporised? could we not have vaporised? could you not have vaporised? could they not have vaporised?
Perfecto con V-ing
could I not have been vaporising? could you not have been vaporising? could he not have been vaporising? could we not have been vaporising? could you not have been vaporising? could they not have been vaporising?