I could vandalise you could vandalise she could vandalise we could vandalise you could vandalise they could vandalise
V-ing form
I could be vandalising you could be vandalising she could be vandalising we could be vandalising you could be vandalising they could be vandalising
Perfect
I could have vandalised you could have vandalised she could have vandalised we could have vandalised you could have vandalised they could have vandalised
V-ing perfect
I could have been vandalising you could have been vandalising she could have been vandalising we could have been vandalising you could have been vandalising they could have been vandalising
Negation
Simple form
I couldn't vandalise you couldn't vandalise she couldn't vandalise we couldn't vandalise you couldn't vandalise they couldn't vandalise
V-ing form
I couldn't be vandalising you couldn't be vandalising she couldn't be vandalising we couldn't be vandalising you couldn't be vandalising they couldn't be vandalising
Perfect
I couldn't have vandalised you couldn't have vandalised she couldn't have vandalised we couldn't have vandalised you couldn't have vandalised they couldn't have vandalised
V-ing perfect
I couldn't have been vandalising you couldn't have been vandalising she couldn't have been vandalising we couldn't have been vandalising you couldn't have been vandalising they couldn't have been vandalising
Interrogative form
Simple form
could I vandalise? could you vandalise? could she vandalise? could we vandalise? could you vandalise? could they vandalise?
V-ing form
could I be vandalising? could you be vandalising? could she be vandalising? could we be vandalising? could you be vandalising? could they be vandalising?
Perfect
could I have vandalised? could you have vandalised? could she have vandalised? could we have vandalised? could you have vandalised? could they have vandalised?
V-ing perfect
could I have been vandalising? could you have been vandalising? could she have been vandalising? could we have been vandalising? could you have been vandalising? could they have been vandalising?
Interro-negative form
Simple form
couldn't I vandalise? couldn't you vandalise? couldn't she vandalise? couldn't we vandalise? couldn't you vandalise? couldn't they vandalise?
V-ing form
couldn't I be vandalising? couldn't you be vandalising? couldn't she be vandalising? couldn't we be vandalising? couldn't you be vandalising? couldn't they be vandalising?
Perfect
couldn't I have vandalised? couldn't you have vandalised? couldn't she have vandalised? couldn't we have vandalised? couldn't you have vandalised? couldn't they have vandalised?
V-ing perfect
couldn't I have been vandalising? couldn't you have been vandalising? couldn't she have been vandalising? couldn't we have been vandalising? couldn't you have been vandalising? couldn't they have been vandalising?