| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which has [adv] been [verb] | 443 |
|
| 2 | has [adv] been [verb] [adj] | 172 |
|
| 3 | which has [adv] [verb] [adj] | 82 |
|
| 4 | which has been [verb] [adj] | 44 |
|
| 5 | which has [adv] been [adj] | 29 |
|
