English verb conjugation
COULD IMMOBILISE

Regular verb: immobilise - immobilised - immobilised

Affirmation

Simple form	V-ing form
I could immobilise you could immobilise he could immobilise we could immobilise you could immobilise they could immobilise	I could be immobilising you could be immobilising he could be immobilising we could be immobilising you could be immobilising they could be immobilising
Perfect	V-ing perfect
I could have immobilised you could have immobilised he could have immobilised we could have immobilised you could have immobilised they could have immobilised	I could have been immobilising you could have been immobilising he could have been immobilising we could have been immobilising you could have been immobilising they could have been immobilising

Negation

Simple form	V-ing form
I couldn't immobilise you couldn't immobilise he couldn't immobilise we couldn't immobilise you couldn't immobilise they couldn't immobilise	I couldn't be immobilising you couldn't be immobilising he couldn't be immobilising we couldn't be immobilising you couldn't be immobilising they couldn't be immobilising
Perfect	V-ing perfect
I couldn't have immobilised you couldn't have immobilised he couldn't have immobilised we couldn't have immobilised you couldn't have immobilised they couldn't have immobilised	I couldn't have been immobilising you couldn't have been immobilising he couldn't have been immobilising we couldn't have been immobilising you couldn't have been immobilising they couldn't have been immobilising

Interrogative form

Simple form	V-ing form
could I immobilise? could you immobilise? could he immobilise? could we immobilise? could you immobilise? could they immobilise?	could I be immobilising? could you be immobilising? could he be immobilising? could we be immobilising? could you be immobilising? could they be immobilising?
Perfect	V-ing perfect
could I have immobilised? could you have immobilised? could he have immobilised? could we have immobilised? could you have immobilised? could they have immobilised?	could I have been immobilising? could you have been immobilising? could he have been immobilising? could we have been immobilising? could you have been immobilising? could they have been immobilising?

Interro-negative form

Simple form	V-ing form
couldn't I immobilise? couldn't you immobilise? couldn't he immobilise? couldn't we immobilise? couldn't you immobilise? couldn't they immobilise?	couldn't I be immobilising? couldn't you be immobilising? couldn't he be immobilising? couldn't we be immobilising? couldn't you be immobilising? couldn't they be immobilising?
Perfect	V-ing perfect
couldn't I have immobilised? couldn't you have immobilised? couldn't he have immobilised? couldn't we have immobilised? couldn't you have immobilised? couldn't they have immobilised?	couldn't I have been immobilising? couldn't you have been immobilising? couldn't he have been immobilising? couldn't we have been immobilising? couldn't you have been immobilising? couldn't they have been immobilising?