English verb conjugation MUST CHIRP

Regular verb: chirp - chirped - chirped

Affirmation

Simple form

I must chirp
you must chirp
he must chirp
we must chirp
you must chirp
they must chirp

V-ing form

I must be chirping
you must be chirping
he must be chirping
we must be chirping
you must be chirping
they must be chirping

Perfect

I must have chirped
you must have chirped
he must have chirped
we must have chirped
you must have chirped
they must have chirped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I chirp?
must you chirp?
must he chirp?
must we chirp?
must you chirp?
must they chirp?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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