When you start learning Japanese, one of the first things you'll learn is how to respond to greetings. It’s really fun! Here are some basics to help you get started:

1. Common Greetings:

   • "Konnichiwa" (こんにちは) means Good afternoon.
   • "Ohayou" (おはよう) means Good morning.
   • "Konbanwa" (こんばんは) means Good evening.

2. Basic Responses:

   • If someone says "Konnichiwa," you can say it back or just smile and nod.
   • If someone greets you with "Ohayou," you can reply with "Ohayou!" or say "Ohayou gozaimasu" (おはようございます) if you want to be more polite.

3. Casual vs. Formal:

   • It's important to know when to be formal and when to be casual. With friends, you can be more relaxed. But when talking to older people or in serious situations, being polite is better.

4. Expressing Your Feelings:

   • If you’re feeling good, you can say "Genki desu" (元気です), which means “I’m good!” when someone says "Konnichiwa."

5. Practice Makes Perfect:

   • Don’t be shy! Try practicing with your friends or language partners. The more you use these greetings, the easier they will become.

Remember, being friendly and respectful is important, just like in any language. Once you get the hang of these greetings, they can really make your conversations better!