| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been for [adj] years | 21 |
|
| 2 | [vb -s] been for [det] years | 18 |
|
| 3 | [vb -s] been for many years | 10 |
|
| 4 | [vb -s] been for many years | 10 |
|
| 5 | [vb -s] been for [num] years | 6 |
|
