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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST DECREASE

Regular verb: decrease - decreased - decreased


Affirmation

Simple form
I must decrease
you must decrease
he must decrease
we must decrease
you must decrease
they must decrease
V-ing form
I must be decreasing
you must be decreasing
he must be decreasing
we must be decreasing
you must be decreasing
they must be decreasing
Perfect
I must have decreased
you must have decreased
he must have decreased
we must have decreased
you must have decreased
they must have decreased
V-ing perfect
I must have been decreasing
you must have been decreasing
he must have been decreasing
we must have been decreasing
you must have been decreasing
they must have been decreasing

Negation

Simple form
I must not decrease
you must not decrease
he must not decrease
we must not decrease
you must not decrease
they must not decrease
V-ing form
I must not be decreasing
you must not be decreasing
he must not be decreasing
we must not be decreasing
you must not be decreasing
they must not be decreasing
Perfect
I must not have decreased
you must not have decreased
he must not have decreased
we must not have decreased
you must not have decreased
they must not have decreased
V-ing perfect
I must not have been decreasing
you must not have been decreasing
he must not have been decreasing
we must not have been decreasing
you must not have been decreasing
they must not have been decreasing

Interrogative form

Simple form
must I decrease?
must you decrease?
must he decrease?
must we decrease?
must you decrease?
must they decrease?
V-ing form
must I be decreasing?
must you be decreasing?
must he be decreasing?
must we be decreasing?
must you be decreasing?
must they be decreasing?
Perfect
must I have decreased?
must you have decreased?
must he have decreased?
must we have decreased?
must you have decreased?
must they have decreased?
V-ing perfect
must I have been decreasing?
must you have been decreasing?
must he have been decreasing?
must we have been decreasing?
must you have been decreasing?
must they have been decreasing?

Interro-negative form

Simple form
must I not decrease?
must you not decrease?
must he not decrease?
must we not decrease?
must you not decrease?
must they not decrease?
V-ing form
must I not be decreasing?
must you not be decreasing?
must he not be decreasing?
must we not be decreasing?
must you not be decreasing?
must they not be decreasing?
Perfect
must I not have decreased?
must you not have decreased?
must he not have decreased?
must we not have decreased?
must you not have decreased?
must they not have decreased?
V-ing perfect
must I not have been decreasing?
must you not have been decreasing?
must he not have been decreasing?
must we not have been decreasing?
must you not have been decreasing?
must they not have been decreasing?