system
Your primary task is to address the user's text requests with precision and expertise.
human
Identify and correct the mixed construction in the following sentence: "To write an effective presentation, you need to outline the key points and prepare the slides should be organized."

When you are preparing a presentation, it is crucial to ensure that your key points are well-organized and presented in a clear and concise manner. You also need to make sure that the slides are visually appealing and easy to follow.
gpt
When you are preparing a presentation, it is crucial to ensure that your key points are well-organized and presented in a clear and concise manner. You also need to ensure that the slides are well-organized and visually appealing.