Introducing People Around You

と [to] means "and" when connecting nouns, but it also means "with" when indicating the person you are doing an action with.

誰と行きましたか [dare to ikimashita ka]
Who did you go with?

• 誰と [dare to] means "with whom"
• 行きましたか [ikimashita ka] means "Did you go?"

弟と行きました [otōto to ikimashita]
I went with my younger brother.

• 弟と [otōto to] means "with my younger brother"
• 行きました [ikimashita] means "I went."

誰とアニメを見ましたか [dare to anime o mimashita ka]
Who did you watch anime with?

• 誰と [dare to] means "with whom"
• アニメを見ましたか [anime o mimashita ka] means "Did you watch anime?"

姉とアニメを見ました [ane to anime o mimashita]
I watched anime with my older sister.

• 姉と [ane to] means "with my older sister"
• アニメを見ました [anime o mimashita] means "I watched anime."

• A: 先週大阪に行きました
  I went to Osaka last week!
• B: 誰と行きましたか [dare to ikimashita ka]
  Who did you go with?
• A: 弟と行きました
  I went with my younger brother.
• A: 昨日は何をしましたか
  What did you do yesterday?
• B: 姉とアニメを見ました [ane to anime o mimashita]
  I watched anime with my older sister.
• A: いいですね〜
  Nice!