English verb conjugation MUST CURVE

Regular verb: curve - curved - curved

Affirmation

Simple form

I must curve
you must curve
he must curve
we must curve
you must curve
they must curve

V-ing form

I must be curving
you must be curving
he must be curving
we must be curving
you must be curving
they must be curving

Perfect

I must have curved
you must have curved
he must have curved
we must have curved
you must have curved
they must have curved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I curve?
must you curve?
must he curve?
must we curve?
must you curve?
must they curve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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