| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [num ord] time | 104 |
|
| 2 | [adv] [prep] a [noun] [num ord] | 65 |
|
| 3 | [adv] [prep] [noun] [num ord] time | 19 |
|
| 4 | [adv] [prep] a [num ord] time | 15 |
|
| 5 | [adv] [prep] a [noun] time | 14 |
|
