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