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

English verb conjugation MUST LESSEN

Regular verb: lessen - lessened - lessened


Affirmation

Simple form
I must lessen
you must lessen
she must lessen
we must lessen
you must lessen
they must lessen
V-ing form
I must be lessening
you must be lessening
she must be lessening
we must be lessening
you must be lessening
they must be lessening
Perfect
I must have lessened
you must have lessened
she must have lessened
we must have lessened
you must have lessened
they must have lessened
V-ing perfect
I must have been lessening
you must have been lessening
she must have been lessening
we must have been lessening
you must have been lessening
they must have been lessening

Negation

Simple form
I must not lessen
you must not lessen
she must not lessen
we must not lessen
you must not lessen
they must not lessen
V-ing form
I must not be lessening
you must not be lessening
she must not be lessening
we must not be lessening
you must not be lessening
they must not be lessening
Perfect
I must not have lessened
you must not have lessened
she must not have lessened
we must not have lessened
you must not have lessened
they must not have lessened
V-ing perfect
I must not have been lessening
you must not have been lessening
she must not have been lessening
we must not have been lessening
you must not have been lessening
they must not have been lessening

Interrogative form

Simple form
must I lessen?
must you lessen?
must she lessen?
must we lessen?
must you lessen?
must they lessen?
V-ing form
must I be lessening?
must you be lessening?
must she be lessening?
must we be lessening?
must you be lessening?
must they be lessening?
Perfect
must I have lessened?
must you have lessened?
must she have lessened?
must we have lessened?
must you have lessened?
must they have lessened?
V-ing perfect
must I have been lessening?
must you have been lessening?
must she have been lessening?
must we have been lessening?
must you have been lessening?
must they have been lessening?

Interro-negative form

Simple form
must I not lessen?
must you not lessen?
must she not lessen?
must we not lessen?
must you not lessen?
must they not lessen?
V-ing form
must I not be lessening?
must you not be lessening?
must she not be lessening?
must we not be lessening?
must you not be lessening?
must they not be lessening?
Perfect
must I not have lessened?
must you not have lessened?
must she not have lessened?
must we not have lessened?
must you not have lessened?
must they not have lessened?
V-ing perfect
must I not have been lessening?
must you not have been lessening?
must she not have been lessening?
must we not have been lessening?
must you not have been lessening?
must they not have been lessening?