並ば

並ば

"並ば" is the stem or conjugated form of "並ぶ" (narabu), meaning "to line up" or "to be in a row."

In this sentence, '並んで' means 'lined up' or 'arranged in a line', indicating the position or arrangement of the children.

公園で子供たちが並んで座っています。

Children are sitting lined up in the park.

Here, '並んで' refers to the action of being in a line or queue, describing the students' behavior.

教室では学生たちが質問するために並んでいます。

Students are lining up to ask questions in the classroom.

In this context, '並んで' implies a state where books are organized or placed in a line or order.

この棚にはさまざまな種類の本が並んでいます。

Various types of books are lined up on this shelf.