| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for many years | 27 |
|
| 2 | has been [vb pp] for many year | 24 |
|
| 3 | has been use for many year | 7 |
|
| 4 | has been used for many year | 7 |
|
| 5 | has been known for many year | 5 |
|
| 6 | has been know for many year | 5 |
|
