When she made the muffins. Her friends came to her house to help her eat muffins. But she doesn't eat because when she needs help with, no one can help her.
When she finished muffins. Her friends came to her house. To help her eat muffins. But she does not eat Because she wants to help, with no one to help her.
When you do a muffin completed her friends come to her house to help you eat muffins, but you don't eat. Because when you need help with, no one to help her.