| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been [verb] for the | 34 |
|
| 2 | which [verb] been [vb pp] for the | 32 |
|
| 3 | which had been [verb] for the | 13 |
|
| 4 | which [vb past] been [verb] for the | 13 |
|
| 5 | which [vb -s] been [verb] for the | 11 |
|
| 6 | which has been [verb] for the | 11 |
|
| 7 | which [vb base] been [verb] for the | 10 |
|
| 8 | which have been [verb] for the | 10 |
|
