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 mustn't lesson
you mustn't lesson
he mustn't lesson
we mustn't lesson
you mustn't lesson
they mustn't lesson

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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