| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been run for [num] years | 16 |
|
| 2 | have been run [prep] [num] years | 16 |
|
| 3 | [verb] been running [prep] [num] years | 15 |
|
| 4 | [vb -s] been run [prep] [num] years | 13 |
|
| 5 | has been run [prep] [num] years | 12 |
|
