با توجه به نمونه های زیر برای هر کدوم حرف اضافه ی خودش رو استفاده میکنیم on- in-at
“I’m in the shower.”
“I’m in the lobby.”
“I’m in a car.”
“I’m in a house.”
“I’m in a school.” the physical location is general.
Here are some examples:
“I’m at the grocery.”
“I’m at the mall.”
“I’m at the doctor’s office.”
“I’m at the park.”
“I’m at the airport.”