1. My biggest fear is failure. (The subject complement "failure" renames the subject "fear".)
2. She is a doctor. (The subject complement "doctor" identifies the subject "she".)
3. The answer to the riddle was the number three. (The subject complement "the number three" renames the subject "the answer.")
4. My favorite author is Jane Austen. (The subject complement "Jane Austen" identifies the subject "author".)
5. This painting is a masterpiece. (The subject complement "a masterpiece" renames the subject "this painting".)
Key points to remember:
* A subject complement is a noun, pronoun, or adjective that follows a linking verb (like "is", "am", "are", "was", "were", "become", "seem", etc.).
* It describes or renames the subject of the sentence.
* In these examples, the subject complements are in bold.