English verb conjugation
COULD VULGARISE

Regular verb: vulgarise - vulgarised - vulgarised

Affirmation

Simple form	V-ing form
I could vulgarise you could vulgarise he could vulgarise we could vulgarise you could vulgarise they could vulgarise	I could be vulgarising you could be vulgarising he could be vulgarising we could be vulgarising you could be vulgarising they could be vulgarising
Perfect	V-ing perfect
I could have vulgarised you could have vulgarised he could have vulgarised we could have vulgarised you could have vulgarised they could have vulgarised	I could have been vulgarising you could have been vulgarising he could have been vulgarising we could have been vulgarising you could have been vulgarising they could have been vulgarising

Negation

Simple form	V-ing form
I could not vulgarise you could not vulgarise he could not vulgarise we could not vulgarise you could not vulgarise they could not vulgarise	I could not be vulgarising you could not be vulgarising he could not be vulgarising we could not be vulgarising you could not be vulgarising they could not be vulgarising
Perfect	V-ing perfect
I could not have vulgarised you could not have vulgarised he could not have vulgarised we could not have vulgarised you could not have vulgarised they could not have vulgarised	I could not have been vulgarising you could not have been vulgarising he could not have been vulgarising we could not have been vulgarising you could not have been vulgarising they could not have been vulgarising

Interrogative form

Simple form	V-ing form
could I vulgarise? could you vulgarise? could he vulgarise? could we vulgarise? could you vulgarise? could they vulgarise?	could I be vulgarising? could you be vulgarising? could he be vulgarising? could we be vulgarising? could you be vulgarising? could they be vulgarising?
Perfect	V-ing perfect
could I have vulgarised? could you have vulgarised? could he have vulgarised? could we have vulgarised? could you have vulgarised? could they have vulgarised?	could I have been vulgarising? could you have been vulgarising? could he have been vulgarising? could we have been vulgarising? could you have been vulgarising? could they have been vulgarising?

Interro-negative form

Simple form	V-ing form
could I not vulgarise? could you not vulgarise? could he not vulgarise? could we not vulgarise? could you not vulgarise? could they not vulgarise?	could I not be vulgarising? could you not be vulgarising? could he not be vulgarising? could we not be vulgarising? could you not be vulgarising? could they not be vulgarising?
Perfect	V-ing perfect
could I not have vulgarised? could you not have vulgarised? could he not have vulgarised? could we not have vulgarised? could you not have vulgarised? could they not have vulgarised?	could I not have been vulgarising? could you not have been vulgarising? could he not have been vulgarising? could we not have been vulgarising? could you not have been vulgarising? could they not have been vulgarising?