English verb conjugation MUST AUTHORISE

Regular verb: authorise - authorised - authorised

Affirmation

Simple form

I must authorise
you must authorise
he must authorise
we must authorise
you must authorise
they must authorise

V-ing form

I must be authorising
you must be authorising
he must be authorising
we must be authorising
you must be authorising
they must be authorising

Perfect

I must have authorised
you must have authorised
he must have authorised
we must have authorised
you must have authorised
they must have authorised

V-ing perfect

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

Negation

Simple form

I mustn't authorise
you mustn't authorise
he mustn't authorise
we mustn't authorise
you mustn't authorise
they mustn't authorise

V-ing form

I mustn't be authorising
you mustn't be authorising
he mustn't be authorising
we mustn't be authorising
you mustn't be authorising
they mustn't be authorising

Perfect

I mustn't have authorised
you mustn't have authorised
he mustn't have authorised
we mustn't have authorised
you mustn't have authorised
they mustn't have authorised

V-ing perfect

I mustn't have been authorising
you mustn't have been authorising
he mustn't have been authorising
we mustn't have been authorising
you mustn't have been authorising
they mustn't have been authorising

Interrogative form

Simple form

must I authorise?
must you authorise?
must he authorise?
must we authorise?
must you authorise?
must they authorise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I authorise?
mustn't you authorise?
mustn't he authorise?
mustn't we authorise?
mustn't you authorise?
mustn't they authorise?

V-ing form

mustn't I be authorising?
mustn't you be authorising?
mustn't he be authorising?
mustn't we be authorising?
mustn't you be authorising?
mustn't they be authorising?

Perfect

mustn't I have authorised?
mustn't you have authorised?
mustn't he have authorised?
mustn't we have authorised?
mustn't you have authorised?
mustn't they have authorised?

V-ing perfect

mustn't I have been authorising?
mustn't you have been authorising?
mustn't he have been authorising?
mustn't we have been authorising?
mustn't you have been authorising?
mustn't they have been authorising?

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