English verb conjugation MUST SINK

Irregular verb: sink - sank, sunk - sunk

Affirmation

Simple form

I must sink
you must sink
she must sink
we must sink
you must sink
they must sink

V-ing form

I must be sinking
you must be sinking
she must be sinking
we must be sinking
you must be sinking
they must be sinking

Perfect

I must have sunk
you must have sunk
she must have sunk
we must have sunk
you must have sunk
they must have sunk

V-ing perfect

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

Negation

Simple form

I must not sink
you must not sink
she must not sink
we must not sink
you must not sink
they must not sink

V-ing form

I must not be sinking
you must not be sinking
she must not be sinking
we must not be sinking
you must not be sinking
they must not be sinking

Perfect

I must not have sunk
you must not have sunk
she must not have sunk
we must not have sunk
you must not have sunk
they must not have sunk

V-ing perfect

I must not have been sinking
you must not have been sinking
she must not have been sinking
we must not have been sinking
you must not have been sinking
they must not have been sinking

Interrogative form

Simple form

must I sink?
must you sink?
must she sink?
must we sink?
must you sink?
must they sink?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not sink?
must you not sink?
must she not sink?
must we not sink?
must you not sink?
must they not sink?

V-ing form

must I not be sinking?
must you not be sinking?
must she not be sinking?
must we not be sinking?
must you not be sinking?
must they not be sinking?

Perfect

must I not have sunk?
must you not have sunk?
must she not have sunk?
must we not have sunk?
must you not have sunk?
must they not have sunk?

V-ing perfect

must I not have been sinking?
must you not have been sinking?
must she not have been sinking?
must we not have been sinking?
must you not have been sinking?
must they not have been sinking?

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