What tips would you give to someone trying to overcome stage fear/improve public speaking from beginner stages?

Ee Tuesday speech ivvali in English class and all my speeches have been hit or a miss would like tips on how to make this one a hit

Topic: Pride, The deadliest of sins I am done with like 1/3rd of the speech so far I have a clear idea of the content so I don't really need help with that it's just delivery I am concerned about