the manager is leading the weekly meeting in the meeting room (+) (-) (?)

(+) The manager is leading the weekly meeting in the meeting room.
(-) The manager isn't leading the weekly meeting in the meeting room.
(?) Is the manager leading the weekly meeting in the meeting room?

--•Present Continous Tense•--
(+) S + tobe + v + ing + o/c
(-) S + tobe not + v + ing + o/c
(?) Tobe + s + v + ing + o/c ?
Responsio :
(+) The manager is leading the weekly meeting in the meeting room
(-) The manager isn't leading the weekly meeting in the meeeting room
(?) Is the manager leading the weekly meeting in the meeting room?

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Be beautiful on the inside, you will see the universe a beautiful place. -Elia Abu Madi