Sentence pattern 【Japanese grammar: noun + がいます (ga imasu) = There is + noun】how to describe where someone is
Let's learn how to say those sentences in Japanese: There is a child. There are dogs. There are cats.
location
Sentence pattern 
Sentence pattern 【Japanese grammar: noun + があります (ga arimasu) = There is + noun】how to describe where something is
Let's learn how to say those sentences in Japanese: There is a bag next to shoes. There are scissors to the right of a watch. There is a window above a sofa. There is not a supermarket near my house. There are not pencils in a pencil case.