English verb conjugation
COULD ANTAGONISE

Regular verb: antagonise - antagonised - antagonised

Affirmation

Simple form	V-ing form
I could antagonise you could antagonise she could antagonise we could antagonise you could antagonise they could antagonise	I could be antagonising you could be antagonising she could be antagonising we could be antagonising you could be antagonising they could be antagonising
Perfect	V-ing perfect
I could have antagonised you could have antagonised she could have antagonised we could have antagonised you could have antagonised they could have antagonised	I could have been antagonising you could have been antagonising she could have been antagonising we could have been antagonising you could have been antagonising they could have been antagonising

Negation

Simple form	V-ing form
I couldn't antagonise you couldn't antagonise she couldn't antagonise we couldn't antagonise you couldn't antagonise they couldn't antagonise	I couldn't be antagonising you couldn't be antagonising she couldn't be antagonising we couldn't be antagonising you couldn't be antagonising they couldn't be antagonising
Perfect	V-ing perfect
I couldn't have antagonised you couldn't have antagonised she couldn't have antagonised we couldn't have antagonised you couldn't have antagonised they couldn't have antagonised	I couldn't have been antagonising you couldn't have been antagonising she couldn't have been antagonising we couldn't have been antagonising you couldn't have been antagonising they couldn't have been antagonising

Interrogative form

Simple form	V-ing form
could I antagonise? could you antagonise? could she antagonise? could we antagonise? could you antagonise? could they antagonise?	could I be antagonising? could you be antagonising? could she be antagonising? could we be antagonising? could you be antagonising? could they be antagonising?
Perfect	V-ing perfect
could I have antagonised? could you have antagonised? could she have antagonised? could we have antagonised? could you have antagonised? could they have antagonised?	could I have been antagonising? could you have been antagonising? could she have been antagonising? could we have been antagonising? could you have been antagonising? could they have been antagonising?

Interro-negative form

Simple form	V-ing form
couldn't I antagonise? couldn't you antagonise? couldn't she antagonise? couldn't we antagonise? couldn't you antagonise? couldn't they antagonise?	couldn't I be antagonising? couldn't you be antagonising? couldn't she be antagonising? couldn't we be antagonising? couldn't you be antagonising? couldn't they be antagonising?
Perfect	V-ing perfect
couldn't I have antagonised? couldn't you have antagonised? couldn't she have antagonised? couldn't we have antagonised? couldn't you have antagonised? couldn't they have antagonised?	couldn't I have been antagonising? couldn't you have been antagonising? couldn't she have been antagonising? couldn't we have been antagonising? couldn't you have been antagonising? couldn't they have been antagonising?