Second, 1. Friendly 2. Look at 3. Panic 4. Say five. exist

Third, did you use to play the piano? I didn't like English in the past 2. You used to have long hair, didn't you? What did his father look like in the past?

Fourth, what has been done; She used to do something, didn't she? What has been done; Use; I am interested in myself.

Verb (abbreviation of verb) 1. A lot 2. Used 3. Used 4. Interested 5. Changed.