English verb conjugation MUST TIMBER

Regular verb: timber - timbered - timbered

Affirmation

Simple form

I must timber
you must timber
he must timber
we must timber
you must timber
they must timber

V-ing form

I must be timbering
you must be timbering
he must be timbering
we must be timbering
you must be timbering
they must be timbering

Perfect

I must have timbered
you must have timbered
he must have timbered
we must have timbered
you must have timbered
they must have timbered

V-ing perfect

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

Negation

Simple form

I must not timber
you must not timber
he must not timber
we must not timber
you must not timber
they must not timber

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I timber?
must you timber?
must he timber?
must we timber?
must you timber?
must they timber?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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