| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] at [adj] intervals | 108 |
|
| 2 | [noun sg] at regular interval | 58 |
|
| 3 | [noun sg] at frequent interval | 15 |
|
| 4 | [noun sg] at monthly/weekly interval | 6 |
|
| 5 | date at [adj] interval | 6 |
|
| 6 | place at [adj] interval | 5 |
|
