| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [noun] time | 14 |
|
| 2 | [adv] [prep] a [noun] time | 11 |
|
| 3 | [adv] [prep] a [noun sg] time | 11 |
|
| 4 | [adv] [prep] a [noun] time | 8 |
|
| 5 | [adv prt] [prep] a [noun] time | 6 |
|
| 6 | [adv] in a [noun] time | 5 |
|
