| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] for many years | 54 |
|
| 2 | been [vb pp] for many years | 54 |
|
| 3 | [been] used for many years | 11 |
|
| 4 | [been] known for many years | 10 |
|
