| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] hour | 334 |
|
| 2 | [prep] a hour [pers pn] | 49 |
|
| 3 | [prep] [det] hour [pers pn] | 25 |
|
| 4 | a [det] hour [pers pn] | 22 |
|
| 5 | [prep] a [det] [pers pn] | 11 |
|
