Instructive has 3 syllables and the stress is on the second syllable.
| # | Sentence | |
|---|---|---|
| 1. | Any book will do as long as it is instructive. | |
| 2. | None of the books are instructive. | |
| 3. | This book is interesting, also instructive. | |
| 4. | Not all of the books are instructive. | |
| 5. | The story is at once interesting and instructive. | |
| 6. | This book is both interesting and instructive. | |
| 7. | This book is at once interesting and instructive. | |
| 8. | This book is not only interesting but also instructive. | |
| 9. | This book is interesting and, what is more, very instructive. | |
| 10. | This book is not only more instructive but more interesting than that book. |