I. TRUE OR FALSE: Analyze each statement if correct or incorrect based on the discussed rules.
1. All commas and quotation marks should be omitted when writing the indirect speech.
2. The tense of the verb should be retained in changing direct to indirect speech.
3. Statements such as universal truths also change its tense to its corresponding past tense.
4. The tense of the verb does not change if the introductory verb is in the present of future tense.
5. The corresponding next past tense of simple past tense is past perfect tense.