| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [noun sg] | 41126 |
|
| 2 | at a [noun sg] | 14548 |
|
| 3 | [adv] at [noun sg] | 3760 |
|
| 4 | [adv] at a | 1167 |
|
