Making Appointments with Friends

前に [mae ni] is used to express the concept of "before" or "in front of" in different contexts.

する前に [suru mae ni] before doing...

食べる前に写真を撮らなければなりません [taberu mae ni shashin o toranakereba narimasen]
Before we eat, I have to take a photo.

• 食べる前に [taberu mae ni] means "before eating"
• 写真を撮らなければなりません [shashin o toranakereba narimasen] means "I must take a photo."

勉強する前にサッカーをしましょう [benkyōsuru mae ni sakkā o shimashō]
Before we study, let's play soccer.

• 勉強する前に [benkyōsuru mae ni] means "before we study..."
• サッカーをしましょう [sakkā o shimashō] means "Let's play soccer."

• A: いただきます!
  Thank you for the meal.
• B: 食べる前に写真を撮らなければなりません [taberu mae ni shashin o toranakereba narimasen]
  Before we eat, I have to take a photo.
• A: あ！はい
  Oh, okay.