Correct Answer: My mother said to me, “I will buy you a new dress next week.”

Solution : The fourth option is the correct choice.

Narration Conversion:

• The reporting verb told is changed to said in the direct form.
• The connector that is replaced with a comma and inverted commas .
• The simple past tense will be changed to the simple future tense in direct speech. Thus, would is changed to will.
• The third-person pronoun she is replaced with the first-person pronoun l in the quoted words.
• The first-person pronoun me is replaced with you .
• The following week is changed to next week to accurately convey the time frame in the direct form.
• The words of the speaker are enclosed within quotation marks.

Therefore, the sentence in the direct form is: My mother said to me, "I will buy you a new dress next week ."