| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] [art] | 19500 |
|
| 2 | have [vb pp] [prep] [art] years | 192 |
|
| 3 | been [vb pp] [prep] [art] years | 63 |
|
| 4 | have been [vb pp] [prep] years | 38 |
|
| 5 | have been [prep] [art] years | 10 |
|
