- He's a good student, but he won't ever set the Thames on fire.
- Good student as he is (=Though he is a good student), he sometimes makes mistakes.
- None of the three is a good student (are good students).
- Such a good student is he that we all like him.
- Jack is not only a good student but also a basketball player.
- A good student usually knows how to sum up knowledge in good time.
- Such a good student as he (is) will succeed.