| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [prep] [adv] a hour | 9 |
|
| 2 | [adv] [prep] [prep] [adv] a hour | 5 |
|
| 3 | [prep] [pron] [prep] [adv] a hour | 5 |
|
| 4 | [prep] [pers pn] [prep] [adv] a hour | 5 |
|
| 5 | [prep] [prep] [adv] [adj] a hour | 7 |
|
| 6 | [prep] [prep] [adv] half a hour | 7 |
|
| 7 | [prep] [prep] [adv] [det] a hour | 7 |
|
| 8 | [prep] [prep] [adv] half a hour | 7 |
|
