English verb conjugation MUST HARBOUR

Regular verb: harbour - harboured - harboured

Affirmation

Simple form

I must harbour
you must harbour
he must harbour
we must harbour
you must harbour
they must harbour

V-ing form

I must be harbouring
you must be harbouring
he must be harbouring
we must be harbouring
you must be harbouring
they must be harbouring

Perfect

I must have harboured
you must have harboured
he must have harboured
we must have harboured
you must have harboured
they must have harboured

V-ing perfect

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

Negation

Simple form

I mustn't harbour
you mustn't harbour
he mustn't harbour
we mustn't harbour
you mustn't harbour
they mustn't harbour

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I harbour?
must you harbour?
must he harbour?
must we harbour?
must you harbour?
must they harbour?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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