| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [art] 15th | 6 |
|
| 2 | by the 15th | 6 |
|
| 3 | by the 15th | 6 |
|
| 4 | by [art] 15th | 6 |
|
| 5 | by 15th [noun prp] | 5 |
|
| 6 | by 15th [noun] | 5 |
|
