筆箱
I put pencils in my pencil case.
私は筆箱に鉛筆を入れます
I put pencils in my pencil case before I go to school.
私は学校へ行く前に筆箱に鉛筆を入れます
I put pencils in my pencil case at my desk before I go to school.
私は学校へ行く前に机で筆箱に鉛筆を入れます
I put pencils in my new pencil case at my desk before I go to school.
私は学校へ行く前に机で新しい筆箱に鉛筆を入れます
I put sharpened pencils in my new pencil case at my desk before I go to school.
私は学校へ行く前に机で新しい筆箱に削った鉛筆を入れます