| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of [noun] at regular | 7 |
|
| 2 | of [noun] at regular intervals | 7 |
|
| 3 | of [noun] at regular [noun pl] | 7 |
|
| 4 | of [noun] at regular [noun] | 7 |
|
| 5 | of [noun] at regular interval | 7 |
|
