| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by the fourth [noun] | 50 |
|
| 2 | by the fourth [noun sg] | 49 |
|
| 3 | by the fourth quarter | 18 |
|
| 4 | by the fourth quarter | 18 |
|
| 5 | by the fourth century | 5 |
|
| 6 | by the fourth century | 5 |
|
