English verb conjugation
COULD PASSIVISE

Regular verb: passivise - passivised - passivised

Affirmation

Simple form	V-ing form
I could passivise you could passivise she could passivise we could passivise you could passivise they could passivise	I could be passivising you could be passivising she could be passivising we could be passivising you could be passivising they could be passivising
Perfect	V-ing perfect
I could have passivised you could have passivised she could have passivised we could have passivised you could have passivised they could have passivised	I could have been passivising you could have been passivising she could have been passivising we could have been passivising you could have been passivising they could have been passivising

Negation

Simple form	V-ing form
I couldn't passivise you couldn't passivise she couldn't passivise we couldn't passivise you couldn't passivise they couldn't passivise	I couldn't be passivising you couldn't be passivising she couldn't be passivising we couldn't be passivising you couldn't be passivising they couldn't be passivising
Perfect	V-ing perfect
I couldn't have passivised you couldn't have passivised she couldn't have passivised we couldn't have passivised you couldn't have passivised they couldn't have passivised	I couldn't have been passivising you couldn't have been passivising she couldn't have been passivising we couldn't have been passivising you couldn't have been passivising they couldn't have been passivising

Interrogative form

Simple form	V-ing form
could I passivise? could you passivise? could she passivise? could we passivise? could you passivise? could they passivise?	could I be passivising? could you be passivising? could she be passivising? could we be passivising? could you be passivising? could they be passivising?
Perfect	V-ing perfect
could I have passivised? could you have passivised? could she have passivised? could we have passivised? could you have passivised? could they have passivised?	could I have been passivising? could you have been passivising? could she have been passivising? could we have been passivising? could you have been passivising? could they have been passivising?

Interro-negative form

Simple form	V-ing form
couldn't I passivise? couldn't you passivise? couldn't she passivise? couldn't we passivise? couldn't you passivise? couldn't they passivise?	couldn't I be passivising? couldn't you be passivising? couldn't she be passivising? couldn't we be passivising? couldn't you be passivising? couldn't they be passivising?
Perfect	V-ing perfect
couldn't I have passivised? couldn't you have passivised? couldn't she have passivised? couldn't we have passivised? couldn't you have passivised? couldn't they have passivised?	couldn't I have been passivising? couldn't you have been passivising? couldn't she have been passivising? couldn't we have been passivising? couldn't you have been passivising? couldn't they have been passivising?