English verb conjugation COULD AUTHORISE

Regular verb: authorise - authorised - authorised

Affirmation

Simple form

I could authorise
you could authorise
he could authorise
we could authorise
you could authorise
they could authorise

V-ing form

I could be authorising
you could be authorising
he could be authorising
we could be authorising
you could be authorising
they could be authorising

Perfect

I could have authorised
you could have authorised
he could have authorised
we could have authorised
you could have authorised
they could have authorised

V-ing perfect

I could have been authorising
you could have been authorising
he could have been authorising
we could have been authorising
you could have been authorising
they could have been authorising

Negation

Simple form

I could not authorise
you could not authorise
he could not authorise
we could not authorise
you could not authorise
they could not authorise

V-ing form

I could not be authorising
you could not be authorising
he could not be authorising
we could not be authorising
you could not be authorising
they could not be authorising

Perfect

I could not have authorised
you could not have authorised
he could not have authorised
we could not have authorised
you could not have authorised
they could not have authorised

V-ing perfect

I could not have been authorising
you could not have been authorising
he 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

could I authorise?
could you authorise?
could he authorise?
could we authorise?
could you authorise?
could they authorise?

V-ing form

could I be authorising?
could you be authorising?
could he be authorising?
could we be authorising?
could you be authorising?
could they be authorising?

Perfect

could I have authorised?
could you have authorised?
could he have authorised?
could we have authorised?
could you have authorised?
could they have authorised?

V-ing perfect

could I have been authorising?
could you have been authorising?
could he have been authorising?
could we have been authorising?
could you have been authorising?
could they have been authorising?

Interro-negative form

Simple form

could I not authorise?
could you not authorise?
could he not authorise?
could we not authorise?
could you not authorise?
could they not authorise?

V-ing form

could I not be authorising?
could you not be authorising?
could he not be authorising?
could we not be authorising?
could you not be authorising?
could they not be authorising?

Perfect

could I not have authorised?
could you not have authorised?
could he not have authorised?
could we not have authorised?
could you not have authorised?
could they not have authorised?

V-ing perfect

could I not have been authorising?
could you not have been authorising?
could he not have been authorising?
could we not have been authorising?
could you not have been authorising?
could they not have been authorising?

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