English verb conjugation MUST LABOUR

Regular verb: labour - laboured - laboured

Affirmation

Simple form

I must labour
you must labour
she must labour
we must labour
you must labour
they must labour

V-ing form

I must be labouring
you must be labouring
she must be labouring
we must be labouring
you must be labouring
they must be labouring

Perfect

I must have laboured
you must have laboured
she must have laboured
we must have laboured
you must have laboured
they must have laboured

V-ing perfect

I must have been labouring
you must have been labouring
she must have been labouring
we must have been labouring
you must have been labouring
they must have been labouring

Negation

Simple form

I must not labour
you must not labour
she must not labour
we must not labour
you must not labour
they must not labour

V-ing form

I must not be labouring
you must not be labouring
she must not be labouring
we must not be labouring
you must not be labouring
they must not be labouring

Perfect

I must not have laboured
you must not have laboured
she must not have laboured
we must not have laboured
you must not have laboured
they must not have laboured

V-ing perfect

I must not have been labouring
you must not have been labouring
she must not have been labouring
we must not have been labouring
you must not have been labouring
they must not have been labouring

Interrogative form

Simple form

must I labour?
must you labour?
must she labour?
must we labour?
must you labour?
must they labour?

V-ing form

must I be labouring?
must you be labouring?
must she be labouring?
must we be labouring?
must you be labouring?
must they be labouring?

Perfect

must I have laboured?
must you have laboured?
must she have laboured?
must we have laboured?
must you have laboured?
must they have laboured?

V-ing perfect

must I have been labouring?
must you have been labouring?
must she have been labouring?
must we have been labouring?
must you have been labouring?
must they have been labouring?

Interro-negative form

Simple form

must I not labour?
must you not labour?
must she not labour?
must we not labour?
must you not labour?
must they not labour?

V-ing form

must I not be labouring?
must you not be labouring?
must she not be labouring?
must we not be labouring?
must you not be labouring?
must they not be labouring?

Perfect

must I not have laboured?
must you not have laboured?
must she not have laboured?
must we not have laboured?
must you not have laboured?
must they not have laboured?

V-ing perfect

must I not have been labouring?
must you not have been labouring?
must she not have been labouring?
must we not have been labouring?
must you not have been labouring?
must they not have been labouring?

Page top