English verb conjugation MUST SUBSPECIALISE

Regular verb: subspecialise - subspecialised - subspecialised

Affirmation

Simple form

I must subspecialise
you must subspecialise
he must subspecialise
we must subspecialise
you must subspecialise
they must subspecialise

V-ing form

I must be subspecialising
you must be subspecialising
he must be subspecialising
we must be subspecialising
you must be subspecialising
they must be subspecialising

Perfect

I must have subspecialised
you must have subspecialised
he must have subspecialised
we must have subspecialised
you must have subspecialised
they must have subspecialised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I subspecialise?
must you subspecialise?
must he subspecialise?
must we subspecialise?
must you subspecialise?
must they subspecialise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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