| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for [noun sg] | 631 |
|
| 2 | [vb pp] for an [noun sg] | 357 |
|
| 3 | been [vb pp] an [noun sg] | 79 |
|
| 4 | been [vb pp] for an | 47 |
|
