The flowers are beautiful.

The historical subject of the book explores the philosophy of the consciousness of a dead person.

The within-subjects design allowed for a comparison of each participant's performance.

The between-subjects design was used to compare the two groups.

The oblique subject of the sentence adds a unique twist to the meaning.

The oblique subjects in the sentence are all plural nouns.

The dummies are sitting in the corner.

The preparatory subjects are important for college readiness.

The introductory subjects are important for understanding the course material.

The preparatory subject is used in sentences to fulfill the grammatical requirement of having a subject, even when there is no specific subject being referred to.