| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [adv] a | 1354 |
|
| 2 | [noun sg] [prep] a hour | 454 |
|
| 3 | [prep] [adv] a hour | 222 |
|
| 4 | [noun sg] [adv] a hour | 27 |
|
