| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] a [noun sg] | 35627 |
|
| 2 | at a [noun sg] | 14548 |
|
| 3 | [vb base] at [noun sg] | 1026 |
|
| 4 | [vb base] at a | 473 |
|
