English verb conjugation MUST PROOFREAD

Irregular verb: proofread - proofread - proofread

Affirmation

Simple form

I must proofread
you must proofread
he must proofread
we must proofread
you must proofread
they must proofread

V-ing form

I must be proofreading
you must be proofreading
he must be proofreading
we must be proofreading
you must be proofreading
they must be proofreading

Perfect

I must have proofread
you must have proofread
he must have proofread
we must have proofread
you must have proofread
they must have proofread

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I proofread?
must you proofread?
must he proofread?
must we proofread?
must you proofread?
must they proofread?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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