Problem: If "Mary tucked her daughter Anne into bed, so that she could sleep.", is "Mary tucked her daughter Anne into bed, so that Mary could sleep." correct?

Answer: no


Problem: If "John was jogging through the park when he saw a man juggling watermelons. He was very impressive.", is "John was very impressive." correct?

Answer: no


Problem: If "The path to the lake was blocked, so we couldn't use it.", is "We couldn't use the lake." correct?

Answer:
no