English verb conjugation
COULD VAPORISE

Regular verb: vaporise - vaporised - vaporised

Affirmation

Simple form	V-ing form
I could vaporise you could vaporise she could vaporise we could vaporise you could vaporise they could vaporise	I could be vaporising you could be vaporising she could be vaporising we could be vaporising you could be vaporising they could be vaporising
Perfect	V-ing perfect
I could have vaporised you could have vaporised she could have vaporised we could have vaporised you could have vaporised they could have vaporised	I could have been vaporising you could have been vaporising she could have been vaporising we could have been vaporising you could have been vaporising they could have been vaporising

Negation

Simple form	V-ing form
I could not vaporise you could not vaporise she could not vaporise we could not vaporise you could not vaporise they could not vaporise	I could not be vaporising you could not be vaporising she could not be vaporising we could not be vaporising you could not be vaporising they could not be vaporising
Perfect	V-ing perfect
I could not have vaporised you could not have vaporised she could not have vaporised we could not have vaporised you could not have vaporised they could not have vaporised	I could not have been vaporising you could not have been vaporising she could not have been vaporising we could not have been vaporising you could not have been vaporising they could not have been vaporising

Interrogative form

Simple form	V-ing form
could I vaporise? could you vaporise? could she vaporise? could we vaporise? could you vaporise? could they vaporise?	could I be vaporising? could you be vaporising? could she be vaporising? could we be vaporising? could you be vaporising? could they be vaporising?
Perfect	V-ing perfect
could I have vaporised? could you have vaporised? could she have vaporised? could we have vaporised? could you have vaporised? could they have vaporised?	could I have been vaporising? could you have been vaporising? could she have been vaporising? could we have been vaporising? could you have been vaporising? could they have been vaporising?

Interro-negative form

Simple form	V-ing form
could I not vaporise? could you not vaporise? could she not vaporise? could we not vaporise? could you not vaporise? could they not vaporise?	could I not be vaporising? could you not be vaporising? could she not be vaporising? could we not be vaporising? could you not be vaporising? could they not be vaporising?
Perfect	V-ing perfect
could I not have vaporised? could you not have vaporised? could she not have vaporised? could we not have vaporised? could you not have vaporised? could they not have vaporised?	could I not have been vaporising? could you not have been vaporising? could she not have been vaporising? could we not have been vaporising? could you not have been vaporising? could they not have been vaporising?