| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [noun] | 21204 |
|
| 2 | [adv] [prep] a [noun sg] | 20180 |
|
| 3 | [adv] [prep] [art] time | 1191 |
|
| 4 | [adv] [prep] a time | 464 |
|
| 5 | [adv] [prep] a time | 382 |
|
| 6 | [adv] [prep] a time | 382 |
|
