| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a hour | 1464 |
|
| 2 | a hour [pers pn] | 147 |
|
| 3 | [prep] a [pers pn] | 136 |
|
| 4 | [prep] hour [pers pn] | 51 |
|
