English verb conjugation MUST SHEAVE

Regular verb: sheave - sheaved - sheaved

Affirmation

Simple form

I must sheave
you must sheave
he must sheave
we must sheave
you must sheave
they must sheave

V-ing form

I must be sheaving
you must be sheaving
he must be sheaving
we must be sheaving
you must be sheaving
they must be sheaving

Perfect

I must have sheaved
you must have sheaved
he must have sheaved
we must have sheaved
you must have sheaved
they must have sheaved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sheave?
must you sheave?
must he sheave?
must we sheave?
must you sheave?
must they sheave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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