| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been for [num] years | 5 |
|
| 2 | [verb] [adv] been for [num] years | 5 |
|
| 3 | [adv] been [verb] for [num] years | 22 |
|
| 4 | [adv] been [vb pp] for [num] years | 18 |
|
