| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [adv] a [noun] | 190 |
|
| 2 | [adv] [prep] [adv] a [noun sg] | 187 |
|
| 3 | [adv] [prep] [adv] a hour | 47 |
|
| 4 | [adv] [prep] [adv] a hour | 28 |
|
| 5 | [adv] [prep] [adv] [art] hour | 28 |
|
