Let's analyze the process of converting the given sentence from direct speech to indirect speech.

Understanding Direct and Indirect Speech Conversion

Direct speech reports the exact words spoken by a person, usually enclosed in quotation marks. Indirect speech (or reported speech) reports what someone said but without using their exact words, often involving changes in tense, pronouns, and time/place expressions.

Analyzing the Original Sentence

The direct speech sentence is: “The lion asked the lioness, "Where will you hide yourself, until I return?””

Key elements:

• Reporting verb: “asked” (already in the past tense).
• Sentence type: Interrogative (a question starting with “Where”).
• Verb tense in reported clause: “will hide” (Future Simple), “return” (Present Simple).
• Pronouns: “you”, “yourself”, “I”.

Rules for Converting Interrogative Sentences to Indirect Speech

1. The reporting verb is typically changed to “asked”, “enquired”, “wondered”, etc. (Here, “asked” is already used).
2. If the question begins with a ‘wh’ word (like where, when, why, what, who, whom, whose) or ‘how’, that word is used as the conjunction to introduce the reported clause. No other conjunction like “that” is used.
3. If the question is a yes/no question (starting with helping verbs like is, are, am, was, were, have, has, had, do, does, did, can, could, will, would, shall, should, may, might, must), “if” or “whether” is used as the conjunction.
4. The interrogative structure (verb before subject) is changed to an assertive structure (subject before verb).
5. The tense of the verb in the reported clause is usually changed to the corresponding past tense, following the general rules of tense change in indirect speech (e.g., Present Simple to Past Simple, Future Simple to Future in the Past).
6. Pronouns are changed according to the subject and object of the reporting verb and the context of the conversation.
7. Time and place expressions are changed if necessary (e.g., “now” to “then”, “here” to “there”, “today” to “that day”).

Applying the Rules to the Sentence

• The reporting verb “asked” remains the same.
• The question starts with “Where”, so “where” is used as the conjunction.
• The question “Where will you hide yourself” becomes an assertive statement. The subject “you” (referring to the lioness) changes to “she”. The verb “will hide” (Future Simple) changes to “would hide” (Future in the Past). “yourself” (referring to the lioness) changes to “herself”. So, “Where will you hide yourself” becomes “where she would hide herself”.
• The clause “until I return”: The pronoun “I” (referring to the lion) changes to “he”. The verb “return” (Present Simple) changes to “returned” (Past Simple). So, “until I return” becomes “until he returned”.

Constructing the Indirect Speech Sentence

Combining these changes, the indirect speech sentence is: “The lion asked the lioness where she would hide herself, until he returned.”

Comparing with Options

Let's check the given options against our constructed sentence:

Based on the analysis, Option 1 correctly converts the given direct speech sentence into indirect speech following all the rules.

Revision Table: Key Transformations

Additional Information on Reported Speech Rules

Here are some more details on tense changes in indirect speech when the reporting verb is in the past tense:

• Present Simple becomes Past Simple.
• Present Continuous becomes Past Continuous.
• Present Perfect becomes Past Perfect.
• Present Perfect Continuous becomes Past Perfect Continuous.
• Past Simple usually becomes Past Perfect.
• Past Continuous becomes Past Perfect Continuous.
• Future Simple (“will”) becomes Future in the Past (“would”).
• “Can” becomes “could”.
• “May” becomes “might”.
• “Must” often becomes “had to”.

Note that if the reporting verb is in the present or future tense, the tense in the reported clause usually does not change. Also, if the direct speech refers to a universal truth or a habitual action, the tense might not change even if the reporting verb is in the past.

In this specific case, the reporting verb “asked” is in the past tense, triggering the typical tense changes described above.