Respuesta :
Am/is/are + scribbling (present participle). I am scribblingWe are scribblingYou
Answer:
I am scribbling notes in the margins
Explanation:
Present progressive is the verb tense that describes an action that is taking place now or is continuous. It is formed through the verb "to be" in present (I am) + the present participle + -ing ending (scribbling) of the action verb.
Another example of sentence in a present progressive form would be:
You are studying for tomorrow's exam.