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 must not stave
you must not stave
he must not stave
we must not stave
you must not stave
they must not stave

V-ing form

I must not be staving
you must not be staving
he must not be staving
we must not be staving
you must not be staving
they must not be staving

Perfect

I must not have staved, stove
you must not have staved, stove
he must not have staved, stove
we must not have staved, stove
you must not have staved, stove
they must not have staved, stove

V-ing perfect

I must not have been staving
you must not have been staving
he must not have been staving
we must not have been staving
you must not have been staving
they must not 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

must I not stave?
must you not stave?
must he not stave?
must we not stave?
must you not stave?
must they not stave?

V-ing form

must I not be staving?
must you not be staving?
must he not be staving?
must we not be staving?
must you not be staving?
must they not be staving?

Perfect

must I not have staved, stove?
must you not have staved, stove?
must he not have staved, stove?
must we not have staved, stove?
must you not have staved, stove?
must they not have staved, stove?

V-ing perfect

must I not have been staving?
must you not have been staving?
must he not have been staving?
must we not have been staving?
must you not have been staving?
must they not have been staving?

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