My tongue feels sore towards the back left it hurts to eat drink also my jaw hurts and teeth feel sensitive what causes this?

Need an exam. These symptoms may be related or more likely be caused by different issues. You need a good dental evaluation to understand what is going on.
See your dentist. could be several issues going on here. See your dentist as soon as possible to diagnose what problem or problems are causing your pain and get started treating them.