I have readthe practice and instuctions at least 10 times and I do not understand how to conjugate these verbs or putthem in the right tense. could some one please help me? 
 Question 1 (Fill-In-The-Blank Worth 1 points)
 Change the verb to indicate that it is an activity that is currently in progress using the correct form of Estar in Blank 1 and correct form of action verb in Blank 2. 
 Nosotros escribimos cartas.
 Answer for Blank 1:
 Answer for Blank 2:
 this is just the first one there is more.,