| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] for [det] | 129 |
|
| 2 | been [vb pp] for [det] years | 77 |
|
| 3 | has [vb pp] for [det] years | 19 |
|
| 4 | has been for [det] years | 17 |
|
| 5 | has been [vb pp] for years | 5 |
|
