English verb conjugation MUST SPRAIN

Regular verb: sprain - sprained - sprained

Affirmation

Simple form

I must sprain
you must sprain
he must sprain
we must sprain
you must sprain
they must sprain

V-ing form

I must be spraining
you must be spraining
he must be spraining
we must be spraining
you must be spraining
they must be spraining

Perfect

I must have sprained
you must have sprained
he must have sprained
we must have sprained
you must have sprained
they must have sprained

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sprain?
must you sprain?
must he sprain?
must we sprain?
must you sprain?
must they sprain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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