I found the key underneath the mat. ✬

Tom sat down underneath a tree. ✬

The gasoline tank was underneath. ✬

There are lots of presents underneath the Christmas tree. ✬

Tom crawled underneath the bed. ✬

Tom looked underneath the table. ✬

Tom found his key underneath the sofa. ✬

I found the keys underneath the mat. ✬

The mouse ran underneath the bed. ✬

Tom had dirt underneath his fingernails. ✬