English verb conjugation MUST DIPHTHONGISE

Regular verb: diphthongise - diphthongised - diphthongised

Affirmation

Simple form

I must diphthongise
you must diphthongise
he must diphthongise
we must diphthongise
you must diphthongise
they must diphthongise

V-ing form

I must be diphthongising
you must be diphthongising
he must be diphthongising
we must be diphthongising
you must be diphthongising
they must be diphthongising

Perfect

I must have diphthongised
you must have diphthongised
he must have diphthongised
we must have diphthongised
you must have diphthongised
they must have diphthongised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I diphthongise?
must you diphthongise?
must he diphthongise?
must we diphthongise?
must you diphthongise?
must they diphthongise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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