| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] run for [num] years | 21 |
|
| 2 | be run for [num] year | 21 |
|
| 3 | [been] run for [num] year | 19 |
|
| 4 | been run for [num] year | 19 |
|
| 5 | [be] running for [num] year | 18 |
|
