Structure of a Speech: Ideally you should try to have a structure to your speech. If you do then it is more likely to be a good speech. If you don't have some form of structure you may be penalized by adjudicators and you may ramble. You don't have to use a strict structure just have a mental layout of what you want to say and when.

Role of Prime Minister (Opening Speaker) and definitions, role of Opposition Leader. Defensive speech

To prevail in a debate where the adjudicators may be inclined to see the legitimacy of both sides’ positions, you need to convince the adjudicators that your position best accommodates the various (legitimate) interests of all parties involved in the controversy. To do so, you develop a position in three steps. Components of an argument

Arguments are traditionally divided into 4 parts namely

1. Assertion

2. Reason

3. Evidence

4. Link. Q&A and lots more