| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] [adv] a hour | 10 |
|
| 2 | [pron] for [adv] a hour | 10 |
|
| 3 | [pron] for [adv] a hour | 10 |
|
| 4 | [pron] [prep] [adv] a hour | 10 |
|
| 5 | [pron] [prep] [adv] an hour | 10 |
|
| 6 | [pers pn] [prep] [adv] a hour | 8 |
|
| 7 | [pron] [prep] about a hour | 5 |
|
| 8 | [pron] [prep] about a hour | 5 |
|
