English verb conjugation MUST LAVE

Regular verb: lave - laved - laved

Affirmation

Simple form

I must lave
you must lave
she must lave
we must lave
you must lave
they must lave

V-ing form

I must be laving
you must be laving
she must be laving
we must be laving
you must be laving
they must be laving

Perfect

I must have laved
you must have laved
she must have laved
we must have laved
you must have laved
they must have laved

V-ing perfect

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

Negation

Simple form

I mustn't lave
you mustn't lave
she mustn't lave
we mustn't lave
you mustn't lave
they mustn't lave

V-ing form

I mustn't be laving
you mustn't be laving
she mustn't be laving
we mustn't be laving
you mustn't be laving
they mustn't be laving

Perfect

I mustn't have laved
you mustn't have laved
she mustn't have laved
we mustn't have laved
you mustn't have laved
they mustn't have laved

V-ing perfect

I mustn't have been laving
you mustn't have been laving
she mustn't have been laving
we mustn't have been laving
you mustn't have been laving
they mustn't have been laving

Interrogative form

Simple form

must I lave?
must you lave?
must she lave?
must we lave?
must you lave?
must they lave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I lave?
mustn't you lave?
mustn't she lave?
mustn't we lave?
mustn't you lave?
mustn't they lave?

V-ing form

mustn't I be laving?
mustn't you be laving?
mustn't she be laving?
mustn't we be laving?
mustn't you be laving?
mustn't they be laving?

Perfect

mustn't I have laved?
mustn't you have laved?
mustn't she have laved?
mustn't we have laved?
mustn't you have laved?
mustn't they have laved?

V-ing perfect

mustn't I have been laving?
mustn't you have been laving?
mustn't she have been laving?
mustn't we have been laving?
mustn't you have been laving?
mustn't they have been laving?

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