| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for a long time | 29 |
|
| 2 | been [vb pp] [prep] a long time | 29 |
|
| 3 | been [vb pp] [prep] a long time | 29 |
|
| 4 | been [vb pp] for a long time | 29 |
|
| 5 | been known [prep] a long time | 8 |
|
