English verb conjugation
COULD UNIONISE

Regular verb: unionise - unionised - unionised

Affirmation

Simple form	V-ing form
I could unionise you could unionise he could unionise we could unionise you could unionise they could unionise	I could be unionising you could be unionising he could be unionising we could be unionising you could be unionising they could be unionising
Perfect	V-ing perfect
I could have unionised you could have unionised he could have unionised we could have unionised you could have unionised they could have unionised	I could have been unionising you could have been unionising he could have been unionising we could have been unionising you could have been unionising they could have been unionising

Negation

Simple form	V-ing form
I couldn't unionise you couldn't unionise he couldn't unionise we couldn't unionise you couldn't unionise they couldn't unionise	I couldn't be unionising you couldn't be unionising he couldn't be unionising we couldn't be unionising you couldn't be unionising they couldn't be unionising
Perfect	V-ing perfect
I couldn't have unionised you couldn't have unionised he couldn't have unionised we couldn't have unionised you couldn't have unionised they couldn't have unionised	I couldn't have been unionising you couldn't have been unionising he couldn't have been unionising we couldn't have been unionising you couldn't have been unionising they couldn't have been unionising

Interrogative form

Simple form	V-ing form
could I unionise? could you unionise? could he unionise? could we unionise? could you unionise? could they unionise?	could I be unionising? could you be unionising? could he be unionising? could we be unionising? could you be unionising? could they be unionising?
Perfect	V-ing perfect
could I have unionised? could you have unionised? could he have unionised? could we have unionised? could you have unionised? could they have unionised?	could I have been unionising? could you have been unionising? could he have been unionising? could we have been unionising? could you have been unionising? could they have been unionising?

Interro-negative form

Simple form	V-ing form
couldn't I unionise? couldn't you unionise? couldn't he unionise? couldn't we unionise? couldn't you unionise? couldn't they unionise?	couldn't I be unionising? couldn't you be unionising? couldn't he be unionising? couldn't we be unionising? couldn't you be unionising? couldn't they be unionising?
Perfect	V-ing perfect
couldn't I have unionised? couldn't you have unionised? couldn't he have unionised? couldn't we have unionised? couldn't you have unionised? couldn't they have unionised?	couldn't I have been unionising? couldn't you have been unionising? couldn't he have been unionising? couldn't we have been unionising? couldn't you have been unionising? couldn't they have been unionising?