English verb conjugation MUST LOWER

Regular verb: lower - lowered - lowered

Affirmation

Simple form

I must lower
you must lower
he must lower
we must lower
you must lower
they must lower

V-ing form

I must be lowering
you must be lowering
he must be lowering
we must be lowering
you must be lowering
they must be lowering

Perfect

I must have lowered
you must have lowered
he must have lowered
we must have lowered
you must have lowered
they must have lowered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I lower?
must you lower?
must he lower?
must we lower?
must you lower?
must they lower?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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