I could realise you could realise he could realise we could realise you could realise they could realise
Forma con V-ing
I could be realising you could be realising he could be realising we could be realising you could be realising they could be realising
Perfecto
I could have realised you could have realised he could have realised we could have realised you could have realised they could have realised
Perfecto con V-ing
I could have been realising you could have been realising he could have been realising we could have been realising you could have been realising they could have been realising
Negación
Forma simple
I couldn't realise you couldn't realise he couldn't realise we couldn't realise you couldn't realise they couldn't realise
Forma con V-ing
I couldn't be realising you couldn't be realising he couldn't be realising we couldn't be realising you couldn't be realising they couldn't be realising
Perfecto
I couldn't have realised you couldn't have realised he couldn't have realised we couldn't have realised you couldn't have realised they couldn't have realised
Perfecto con V-ing
I couldn't have been realising you couldn't have been realising he couldn't have been realising we couldn't have been realising you couldn't have been realising they couldn't have been realising
Forma interrogativa
Forma simple
could I realise? could you realise? could he realise? could we realise? could you realise? could they realise?
Forma con V-ing
could I be realising? could you be realising? could he be realising? could we be realising? could you be realising? could they be realising?
Perfecto
could I have realised? could you have realised? could he have realised? could we have realised? could you have realised? could they have realised?
Perfecto con V-ing
could I have been realising? could you have been realising? could he have been realising? could we have been realising? could you have been realising? could they have been realising?
Forma interro-negativa
Forma simple
couldn't I realise? couldn't you realise? couldn't he realise? couldn't we realise? couldn't you realise? couldn't they realise?
Forma con V-ing
couldn't I be realising? couldn't you be realising? couldn't he be realising? couldn't we be realising? couldn't you be realising? couldn't they be realising?
Perfecto
couldn't I have realised? couldn't you have realised? couldn't he have realised? couldn't we have realised? couldn't you have realised? couldn't they have realised?
Perfecto con V-ing
couldn't I have been realising? couldn't you have been realising? couldn't he have been realising? couldn't we have been realising? couldn't you have been realising? couldn't they have been realising?