The correct option in changing the mood of the given sentence to imperative mood will be
Reena waters the plants.

The correct answer is '2' i.e. Reena, water the plants. .

Key Points

• The given sentence is “Reena waters the plants.”, which is in the declarative mood. The declarative mood is used to state facts or opinions.
• To change the sentence to an imperative mood, the verb must be expressed as a command or request.
• Option 2, “Reena, water the plants.”, changes the sentence to an imperative mood by directly addressing Reena and giving a command.

Correct sentence: Reena, water the plants.

Additional Information

• Imperative Mood:
  • Used to give commands, make requests, or offer advice.
  • Example: Close the door. / Please help me with this.
• Declarative Mood:
  • Used to state facts or information.
  • Example: She is reading a book.
• Interrogative Mood:
  • Used to ask questions.
  • Example: Are you coming to the party?