| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [vb pp] for | 924 |
|
| 2 | [vb base] [vb pp] for years | 59 |
|
| 3 | been [vb pp] for years | 39 |
|
| 4 | [vb base] been for years | 10 |
|
