Pаrt VI: Cоrrect the errоrs, which fоcus on incorrect verb tense usаge or connector usаge. There is only one error for each. [Note: Use Ctrl C to copy and Ctrl V to paste.] I have gone to the store yesterday and bought a present for my friend. We have been friends since we have been in high school. While I talked to my mom on the phone, I screamed because I saw a mouse. The professor had already collected the assignments by the time I had come into the classroom. Stephen has lived in Maryland for ten years. He moved to Virginia two years ago. When she was skating with her friends, she fell.