If you practice reading your speeach out loud many times, this will make you feel confident. Therefore, when the moment to give your speech comes, it will flow easily. You will probably not need to read any notes, which will make your speech sound more natural and you will be able to address the audience more attentively.
This is the best way to practice a speech. In order to make sure that you are well-prepared for your presentation, it is important that you practice your speech several times. This will bring several benefits to you. It will allow you to become more familiar with the material. It will also allow you to regulate your tone, volume and speed. Finally, it will most likely decrease your nervousness or anxiety by making you feel more prepared.