English verb conjugation MUST LESSON

Regular verb: lesson - lessoned - lessoned

Affirmation

Simple form

I must lesson
you must lesson
he must lesson
we must lesson
you must lesson
they must lesson

V-ing form

I must be lessoning
you must be lessoning
he must be lessoning
we must be lessoning
you must be lessoning
they must be lessoning

Perfect

I must have lessoned
you must have lessoned
he must have lessoned
we must have lessoned
you must have lessoned
they must have lessoned

V-ing perfect

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

Negation

Simple form

I must not lesson
you must not lesson
he must not lesson
we must not lesson
you must not lesson
they must not lesson

V-ing form

I must not be lessoning
you must not be lessoning
he must not be lessoning
we must not be lessoning
you must not be lessoning
they must not be lessoning

Perfect

I must not have lessoned
you must not have lessoned
he must not have lessoned
we must not have lessoned
you must not have lessoned
they must not have lessoned

V-ing perfect

I must not have been lessoning
you must not have been lessoning
he must not have been lessoning
we must not have been lessoning
you must not have been lessoning
they must not have been lessoning

Interrogative form

Simple form

must I lesson?
must you lesson?
must he lesson?
must we lesson?
must you lesson?
must they lesson?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not lesson?
must you not lesson?
must he not lesson?
must we not lesson?
must you not lesson?
must they not lesson?

V-ing form

must I not be lessoning?
must you not be lessoning?
must he not be lessoning?
must we not be lessoning?
must you not be lessoning?
must they not be lessoning?

Perfect

must I not have lessoned?
must you not have lessoned?
must he not have lessoned?
must we not have lessoned?
must you not have lessoned?
must they not have lessoned?

V-ing perfect

must I not have been lessoning?
must you not have been lessoning?
must he not have been lessoning?
must we not have been lessoning?
must you not have been lessoning?
must they not have been lessoning?

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