| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] [prep] [adv] a hour | 6 |
|
| 2 | [vb pp] [prep] [adv] [adj] a hour | 6 |
|
| 3 | [vb pp] [prep] [adv] [det] a hour | 6 |
|
| 4 | [vb pp] [prep] [adv] half a hour | 6 |
|
| 5 | [vb pp] [prep] [adv] half a hour | 6 |
|
| 6 | [vb pp] [prep] [adv] a [det] hour | 9 |
|
| 7 | [vb pp] [prep] [adv] a [adj] hour | 9 |
|
| 8 | [vb pp] [prep] [adv] a few hour | 9 |
|
| 9 | [vb pp] [prep] [adv] a few hour | 9 |
|
