English verb conjugation
COULD VANDALISE

Regular verb: vandalise - vandalised - vandalised

Affirmation

Simple form	V-ing form
I could vandalise you could vandalise he could vandalise we could vandalise you could vandalise they could vandalise	I could be vandalising you could be vandalising he could be vandalising we could be vandalising you could be vandalising they could be vandalising
Perfect	V-ing perfect
I could have vandalised you could have vandalised he could have vandalised we could have vandalised you could have vandalised they could have vandalised	I could have been vandalising you could have been vandalising he could have been vandalising we could have been vandalising you could have been vandalising they could have been vandalising

Negation

Simple form	V-ing form
I could not vandalise you could not vandalise he could not vandalise we could not vandalise you could not vandalise they could not vandalise	I could not be vandalising you could not be vandalising he could not be vandalising we could not be vandalising you could not be vandalising they could not be vandalising
Perfect	V-ing perfect
I could not have vandalised you could not have vandalised he could not have vandalised we could not have vandalised you could not have vandalised they could not have vandalised	I could not have been vandalising you could not have been vandalising he could not have been vandalising we could not have been vandalising you could not have been vandalising they could not have been vandalising

Interrogative form

Simple form	V-ing form
could I vandalise? could you vandalise? could he vandalise? could we vandalise? could you vandalise? could they vandalise?	could I be vandalising? could you be vandalising? could he be vandalising? could we be vandalising? could you be vandalising? could they be vandalising?
Perfect	V-ing perfect
could I have vandalised? could you have vandalised? could he have vandalised? could we have vandalised? could you have vandalised? could they have vandalised?	could I have been vandalising? could you have been vandalising? could he have been vandalising? could we have been vandalising? could you have been vandalising? could they have been vandalising?

Interro-negative form

Simple form	V-ing form
could I not vandalise? could you not vandalise? could he not vandalise? could we not vandalise? could you not vandalise? could they not vandalise?	could I not be vandalising? could you not be vandalising? could he not be vandalising? could we not be vandalising? could you not be vandalising? could they not be vandalising?
Perfect	V-ing perfect
could I not have vandalised? could you not have vandalised? could he not have vandalised? could we not have vandalised? could you not have vandalised? could they not have vandalised?	could I not have been vandalising? could you not have been vandalising? could he not have been vandalising? could we not have been vandalising? could you not have been vandalising? could they not have been vandalising?