English verb conjugation
COULD AUTHORISE

Regular verb: authorise - authorised - authorised

Affirmation

Simple form	V-ing form
I could authorise you could authorise she could authorise we could authorise you could authorise they could authorise	I could be authorising you could be authorising she could be authorising we could be authorising you could be authorising they could be authorising
Perfect	V-ing perfect
I could have authorised you could have authorised she could have authorised we could have authorised you could have authorised they could have authorised	I could have been authorising you could have been authorising she could have been authorising we could have been authorising you could have been authorising they could have been authorising

Negation

Simple form	V-ing form
I could not authorise you could not authorise she could not authorise we could not authorise you could not authorise they could not authorise	I could not be authorising you could not be authorising she could not be authorising we could not be authorising you could not be authorising they could not be authorising
Perfect	V-ing perfect
I could not have authorised you could not have authorised she could not have authorised we could not have authorised you could not have authorised they could not have authorised	I could not have been authorising you could not have been authorising she could not have been authorising we could not have been authorising you could not have been authorising they could not have been authorising

Interrogative form

Simple form	V-ing form
could I authorise? could you authorise? could she authorise? could we authorise? could you authorise? could they authorise?	could I be authorising? could you be authorising? could she be authorising? could we be authorising? could you be authorising? could they be authorising?
Perfect	V-ing perfect
could I have authorised? could you have authorised? could she have authorised? could we have authorised? could you have authorised? could they have authorised?	could I have been authorising? could you have been authorising? could she have been authorising? could we have been authorising? could you have been authorising? could they have been authorising?

Interro-negative form

Simple form	V-ing form
could I not authorise? could you not authorise? could she not authorise? could we not authorise? could you not authorise? could they not authorise?	could I not be authorising? could you not be authorising? could she not be authorising? could we not be authorising? could you not be authorising? could they not be authorising?
Perfect	V-ing perfect
could I not have authorised? could you not have authorised? could she not have authorised? could we not have authorised? could you not have authorised? could they not have authorised?	could I not have been authorising? could you not have been authorising? could she not have been authorising? could we not have been authorising? could you not have been authorising? could they not have been authorising?