Noun (place) + に + Noun (person) + が + います

kyoushitsu ni gakusei ga imasu.

There is a student in the classroom.

heya ni sensei ga imasu.

There is a teacher in the room.

kouen ni kodomo ga imasu.

There is a child in the park.

jimusho ni tanaka-san ga imasu.

Mr. Tanaka is in the office.

asoko ni tomodachi ga imasu.

There is a friend over there.

depaato ni takusan no hito ga imasu.

There are many people in the department store.