| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [adj] | 2887 |
|
| 2 | have [vb pp] [adj] years | 581 |
|
| 3 | have been [adj] years | 146 |
|
| 4 | been [vb pp] [adj] years | 84 |
|
| 5 | have been [vb pp] years | 11 |
|
