Answer:
The present progressive is formed by combining the verb “to be” with the present participle. (The present participle is merely the “-ing” form of a verb.) I am studying.
Explanation:
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2. esta
3. estoy
4.estamos
5.estas
6.esta
7.estan
8.estamos
9.estan
10.estan
11.estamos
12.estoy
13.estan
14.estas