English verb conjugation
COULD BACTERISE

Regular verb: bacterise - bacterised - bacterised

Affirmation

Simple form	V-ing form
I could bacterise you could bacterise she could bacterise we could bacterise you could bacterise they could bacterise	I could be bacterising you could be bacterising she could be bacterising we could be bacterising you could be bacterising they could be bacterising
Perfect	V-ing perfect
I could have bacterised you could have bacterised she could have bacterised we could have bacterised you could have bacterised they could have bacterised	I could have been bacterising you could have been bacterising she could have been bacterising we could have been bacterising you could have been bacterising they could have been bacterising

Negation

Simple form	V-ing form
I couldn't bacterise you couldn't bacterise she couldn't bacterise we couldn't bacterise you couldn't bacterise they couldn't bacterise	I couldn't be bacterising you couldn't be bacterising she couldn't be bacterising we couldn't be bacterising you couldn't be bacterising they couldn't be bacterising
Perfect	V-ing perfect
I couldn't have bacterised you couldn't have bacterised she couldn't have bacterised we couldn't have bacterised you couldn't have bacterised they couldn't have bacterised	I couldn't have been bacterising you couldn't have been bacterising she couldn't have been bacterising we couldn't have been bacterising you couldn't have been bacterising they couldn't have been bacterising

Interrogative form

Simple form	V-ing form
could I bacterise? could you bacterise? could she bacterise? could we bacterise? could you bacterise? could they bacterise?	could I be bacterising? could you be bacterising? could she be bacterising? could we be bacterising? could you be bacterising? could they be bacterising?
Perfect	V-ing perfect
could I have bacterised? could you have bacterised? could she have bacterised? could we have bacterised? could you have bacterised? could they have bacterised?	could I have been bacterising? could you have been bacterising? could she have been bacterising? could we have been bacterising? could you have been bacterising? could they have been bacterising?

Interro-negative form

Simple form	V-ing form
couldn't I bacterise? couldn't you bacterise? couldn't she bacterise? couldn't we bacterise? couldn't you bacterise? couldn't they bacterise?	couldn't I be bacterising? couldn't you be bacterising? couldn't she be bacterising? couldn't we be bacterising? couldn't you be bacterising? couldn't they be bacterising?
Perfect	V-ing perfect
couldn't I have bacterised? couldn't you have bacterised? couldn't she have bacterised? couldn't we have bacterised? couldn't you have bacterised? couldn't they have bacterised?	couldn't I have been bacterising? couldn't you have been bacterising? couldn't she have been bacterising? couldn't we have been bacterising? couldn't you have been bacterising? couldn't they have been bacterising?