Question

I may/might (finish) my project.It must be bone tomorrow

Answer 1

I may finish my project.

Answer 2

You can say either of the following sentences to convey your message:

1. "I might finish my project. It must be done tomorrow."
2. "I may finish my project. It must be done tomorrow."

Both sentences are correct and convey the idea that there is a possibility that you will complete your project by tomorrow.