| Teaching scheme (Book 1A) | | |
| Teaching scheme (Book 1B) | | |
| Teaching scheme (Book 1C) | | |
| Teaching scheme (Book 2A) | | |
| Teaching scheme (Book 2B) | | |
| Teaching scheme (Book 3A) | | |
| Teaching scheme (Book 3B) | | |
| Teaching scheme (Book 4A) | | |
| Teaching scheme (Book 4B) | | |
| Teaching scheme (Book 5) | | |
| Teaching scheme (Book 6) | | |
| Teaching scheme (Book 7) | | |
| Teaching scheme (S4 to S6) | | |