Explanation: In the context of reported speech, also known as indirect speech, the original sentence is transformed to reflect the time and context of the reporting. The original sentence is: "John said, 'I am leaving for Bangalore tonight.'"
To convert this sentence into reported speech, we need to follow two main rules:
1. **Tense Conversion**: The tense of the original sentence is shifted back in time. In this case, the present continuous tense ("am leaving") is changed to the past continuous tense ("was leaving").
2. **Time Reference Adjustment**: The time reference "tonight" is changed to "that night" to reflect the time of reporting.
Let's break down the process step-by-step:
1. **Original Sentence**: "John said, 'I am leaving for Bangalore tonight.'"
2. **Subject and Verb**: The subject "John" remains the same, and the verb "said" is used to introduce the reported speech.
3. **Tense Conversion**: "I am leaving" is changed to "he was leaving."
4. **Time Reference Adjustment**: "tonight" is changed to "that night."
Thus, the correct reported speech form is: "John said that he was leaving for Bangalore that night."
Understanding these rules is crucial for correctly converting direct speech to reported speech. The key is to ensure that the tense and time references are adjusted appropriately to reflect the time of reporting. This skill is essential for various competitive examinations and general communication in English.
By practicing these conversions, students can improve their ability to accurately report speech, which is a fundamental aspect of English grammar and communication.