Here are 5 examples using subject complements:
1. The weather is beautiful today. ("Beautiful" describes the subject "weather".)
2. My favorite food is pizza. ("Pizza" renames the subject "food".)
3. She seems happy. ("Happy" describes the subject "she".)
4. The answer is obvious. ("Obvious" describes the subject "answer".)
5. The winner of the competition was John. ("John" renames the subject "winner".)
Note: The words in bold are the subject complements.