English verb conjugation MUST SAG

Regular verb: sag - sagged - sagged

Affirmation

Simple form

I must sag
you must sag
he must sag
we must sag
you must sag
they must sag

V-ing form

I must be sagging
you must be sagging
he must be sagging
we must be sagging
you must be sagging
they must be sagging

Perfect

I must have sagged
you must have sagged
he must have sagged
we must have sagged
you must have sagged
they must have sagged

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sag?
must you sag?
must he sag?
must we sag?
must you sag?
must they sag?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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