I could metalise you could metalise she could metalise we could metalise you could metalise they could metalise
V-ing form
I could be metalising you could be metalising she could be metalising we could be metalising you could be metalising they could be metalising
Perfect
I could have metalised you could have metalised she could have metalised we could have metalised you could have metalised they could have metalised
V-ing perfect
I could have been metalising you could have been metalising she could have been metalising we could have been metalising you could have been metalising they could have been metalising
Negation
Simple form
I could not metalise you could not metalise she could not metalise we could not metalise you could not metalise they could not metalise
V-ing form
I could not be metalising you could not be metalising she could not be metalising we could not be metalising you could not be metalising they could not be metalising
Perfect
I could not have metalised you could not have metalised she could not have metalised we could not have metalised you could not have metalised they could not have metalised
V-ing perfect
I could not have been metalising you could not have been metalising she could not have been metalising we could not have been metalising you could not have been metalising they could not have been metalising
Interrogative form
Simple form
could I metalise? could you metalise? could she metalise? could we metalise? could you metalise? could they metalise?
V-ing form
could I be metalising? could you be metalising? could she be metalising? could we be metalising? could you be metalising? could they be metalising?
Perfect
could I have metalised? could you have metalised? could she have metalised? could we have metalised? could you have metalised? could they have metalised?
V-ing perfect
could I have been metalising? could you have been metalising? could she have been metalising? could we have been metalising? could you have been metalising? could they have been metalising?
Interro-negative form
Simple form
could I not metalise? could you not metalise? could she not metalise? could we not metalise? could you not metalise? could they not metalise?
V-ing form
could I not be metalising? could you not be metalising? could she not be metalising? could we not be metalising? could you not be metalising? could they not be metalising?
Perfect
could I not have metalised? could you not have metalised? could she not have metalised? could we not have metalised? could you not have metalised? could they not have metalised?
V-ing perfect
could I not have been metalising? could you not have been metalising? could she not have been metalising? could we not have been metalising? could you not have been metalising? could they not have been metalising?