| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | every [num] hours | 108 |
|
| 2 | every two hours | 23 |
|
| 3 | every two hours | 23 |
|
| 4 | every four hours | 15 |
|
| 5 | every four hours | 15 |
|
| 6 | every few hours | 10 |
|
| 7 | every few hours | 10 |
|
| 8 | every three hours | 10 |
|
| 9 | every three hours | 10 |
|
| 10 | every [det] hours | 10 |
|
| 11 | every 24 hours | 8 |
|
| 12 | every 24 hours | 8 |
|
| 13 | every 2 hours | 7 |
|
| 14 | every twenty-four hours | 7 |
|
| 15 | every 2 hours | 7 |
|
| 16 | every twenty-four hours | 7 |
|
| 17 | every 4 hours | 6 |
|
| 18 | every 4 hours | 6 |
|
