| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] been running for | 11 |
|
| 2 | [Wh det] have been running for | 11 |
|
| 3 | [Wh det] has been running for | 9 |
|
| 4 | [Wh det] [vb -s] been running for | 9 |
|
