English verb conjugation MUST GUESS

Regular verb: guess - guessed - guessed

Affirmation

Simple form

I must guess
you must guess
he must guess
we must guess
you must guess
they must guess

V-ing form

I must be guessing
you must be guessing
he must be guessing
we must be guessing
you must be guessing
they must be guessing

Perfect

I must have guessed
you must have guessed
he must have guessed
we must have guessed
you must have guessed
they must have guessed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I guess?
must you guess?
must he guess?
must we guess?
must you guess?
must they guess?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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