English verb conjugation MUST LOOSEN

Regular verb: loosen - loosened - loosened

Affirmation

Simple form

I must loosen
you must loosen
he must loosen
we must loosen
you must loosen
they must loosen

V-ing form

I must be loosening
you must be loosening
he must be loosening
we must be loosening
you must be loosening
they must be loosening

Perfect

I must have loosened
you must have loosened
he must have loosened
we must have loosened
you must have loosened
they must have loosened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I loosen?
must you loosen?
must he loosen?
must we loosen?
must you loosen?
must they loosen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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