Resultados posibles:
estabas masticando
-you were chewing
Imperfecto progresivo para el sujeto del verbo masticar.
estabas masticando
-you were chewing
Imperfecto progresivo para el sujeto vos del verbo masticar.

masticar

Bueno, estabas masticando así que realmente no pude oír lo que dijiste.
Well, see, you were chewing, and so I didn't really hear what you said.
¿Estaba masticando...? Sí, estabas masticando un montón.
I know, were you chewing— Yeah, you were chewing a lot.
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