Parts of speech: Common Nouns

Tuesday is when the poster is due.

We had to walk to school.

I thought she was at the movie.

We had to bike through the woods. Two correct.

Mary washed the car. 

What is a common noun?

The girl was at the park. What is the common noun?

Jay was playing soccer on the field. Identify the common noun?

He walked the dog up to the hill.

The house is red, white, and blue.