| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at some [noun] | 21 |
|
| 2 | been [verb] at some [noun sg] | 19 |
|
| 3 | been [verb] at some time | 11 |
|
| 4 | been [verb] at some time | 10 |
|
