Final answer:
To change the timeline view in Adobe Flash, use the shortcut Ctrl + Shift + T and select the desired mode such as Frame-by-Frame, Frame Labels, or Scenes.
Step-by-step explanation:
To change the timeline view in Adobe Flash, you can use the shortcut Ctrl + Shift + T. This shortcut allows you to switch between the timeline modes, such as Frame-by-Frame (Ctrl + Shift + T +1), Frame Labels (Ctrl + Shift + T +2), and Scenes (Ctrl + Shift + T +3). The timeline view in Adobe Flash is a crucial feature that helps you manage and organize your animations efficiently.