Present simple and continuous

[Vladid]

IS THAT CORRECT?

In the kitchen he is sitting, his chin propped on his hand. In the bedroom, she is lying asleep. Abbie is listening over the cradle. Suddenly, she sobs, appears about to throw herself on her knees; but the old man turns in his sleep and she backs toward the door and goes out.

[Mister Micawber]

The verbs are correctly formed.
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Native English teacher at Mister Micawber's

[Vladid]

THANKS A LOT :D