He tied the rope to the tree.

He practices every day to learn new skills.

By participating in that project, he was able to give some dignity to his career.

He likes to put on airs in front of his new friends.

He underwent surgery on his sigmoid colon.

The trailing edge of this airplane has a very unique shape.

After school, we study at the library.

He suffered a minor contusion on his occiput.

He sneaked into the school through the back gate.

This word is used as a postposition.