| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at a [noun sg] | 1503 |
|
| 2 | been [vb pp] a [noun sg] | 740 |
|
| 3 | been [vb pp] at [noun sg] | 157 |
|
| 4 | been [vb pp] at a | 147 |
|
| 5 | been at a [noun sg] | 31 |
|
