English verb conjugation
COULD OZONISE

Regular verb: ozonise - ozonised - ozonised

Affirmation

Simple form	V-ing form
I could ozonise you could ozonise he could ozonise we could ozonise you could ozonise they could ozonise	I could be ozonising you could be ozonising he could be ozonising we could be ozonising you could be ozonising they could be ozonising
Perfect	V-ing perfect
I could have ozonised you could have ozonised he could have ozonised we could have ozonised you could have ozonised they could have ozonised	I could have been ozonising you could have been ozonising he could have been ozonising we could have been ozonising you could have been ozonising they could have been ozonising

Negation

Simple form	V-ing form
I couldn't ozonise you couldn't ozonise he couldn't ozonise we couldn't ozonise you couldn't ozonise they couldn't ozonise	I couldn't be ozonising you couldn't be ozonising he couldn't be ozonising we couldn't be ozonising you couldn't be ozonising they couldn't be ozonising
Perfect	V-ing perfect
I couldn't have ozonised you couldn't have ozonised he couldn't have ozonised we couldn't have ozonised you couldn't have ozonised they couldn't have ozonised	I couldn't have been ozonising you couldn't have been ozonising he couldn't have been ozonising we couldn't have been ozonising you couldn't have been ozonising they couldn't have been ozonising

Interrogative form

Simple form	V-ing form
could I ozonise? could you ozonise? could he ozonise? could we ozonise? could you ozonise? could they ozonise?	could I be ozonising? could you be ozonising? could he be ozonising? could we be ozonising? could you be ozonising? could they be ozonising?
Perfect	V-ing perfect
could I have ozonised? could you have ozonised? could he have ozonised? could we have ozonised? could you have ozonised? could they have ozonised?	could I have been ozonising? could you have been ozonising? could he have been ozonising? could we have been ozonising? could you have been ozonising? could they have been ozonising?

Interro-negative form

Simple form	V-ing form
couldn't I ozonise? couldn't you ozonise? couldn't he ozonise? couldn't we ozonise? couldn't you ozonise? couldn't they ozonise?	couldn't I be ozonising? couldn't you be ozonising? couldn't he be ozonising? couldn't we be ozonising? couldn't you be ozonising? couldn't they be ozonising?
Perfect	V-ing perfect
couldn't I have ozonised? couldn't you have ozonised? couldn't he have ozonised? couldn't we have ozonised? couldn't you have ozonised? couldn't they have ozonised?	couldn't I have been ozonising? couldn't you have been ozonising? couldn't he have been ozonising? couldn't we have been ozonising? couldn't you have been ozonising? couldn't they have been ozonising?