English verb conjugation MUST SHELVE

Regular verb: shelve - shelved - shelved

Affirmation

Simple form

I must shelve
you must shelve
he must shelve
we must shelve
you must shelve
they must shelve

V-ing form

I must be shelving
you must be shelving
he must be shelving
we must be shelving
you must be shelving
they must be shelving

Perfect

I must have shelved
you must have shelved
he must have shelved
we must have shelved
you must have shelved
they must have shelved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I shelve?
must you shelve?
must he shelve?
must we shelve?
must you shelve?
must they shelve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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