English verb conjugation MUST DERAI

Regular verb: derai - deraied - deraied

Affirmation

Simple form

I must derai
you must derai
he must derai
we must derai
you must derai
they must derai

V-ing form

I must be deraiing
you must be deraiing
he must be deraiing
we must be deraiing
you must be deraiing
they must be deraiing

Perfect

I must have deraied
you must have deraied
he must have deraied
we must have deraied
you must have deraied
they must have deraied

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I derai?
must you derai?
must he derai?
must we derai?
must you derai?
must they derai?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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