English verb conjugation MUST STAVE

Irregular verb: stave - staved, stove - staved, stove

Affirmation

Simple form

I must stave
you must stave
he must stave
we must stave
you must stave
they must stave

V-ing form

I must be staving
you must be staving
he must be staving
we must be staving
you must be staving
they must be staving

Perfect

I must have staved, stove
you must have staved, stove
he must have staved, stove
we must have staved, stove
you must have staved, stove
they must have staved, stove

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

I mustn't have staved, stove
you mustn't have staved, stove
he mustn't have staved, stove
we mustn't have staved, stove
you mustn't have staved, stove
they mustn't have staved, stove

V-ing perfect

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

Interrogative form

Simple form

must I stave?
must you stave?
must he stave?
must we stave?
must you stave?
must they stave?

V-ing form

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

Perfect

must I have staved, stove?
must you have staved, stove?
must he have staved, stove?
must we have staved, stove?
must you have staved, stove?
must they have staved, stove?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

mustn't I have staved, stove?
mustn't you have staved, stove?
mustn't he have staved, stove?
mustn't we have staved, stove?
mustn't you have staved, stove?
mustn't they have staved, stove?

V-ing perfect

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

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