| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [noun sg] | 32940 |
|
| 2 | at a [noun sg] | 14548 |
|
| 3 | [vb pp] at [noun sg] | 3282 |
|
| 4 | [vb pp] at a | 2778 |
|
