| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb -s] [adv] been [verb] | 339 |
|
| 2 | [vb -s] [adv] been [verb] for | 212 |
|
| 3 | which [vb -s] been [verb] for | 81 |
|
| 4 | which [vb -s] [adv] [verb] for | 7 |
|
