| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for many years | 173 |
|
| 2 | [been] [vb pp] for many | 72 |
|
| 3 | [been] [vb pp] for years | 39 |
|
| 4 | [been] for many years | 25 |
|
