| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] which [verb] been | 38 |
|
| 2 | [num] which have been | 38 |
|
| 3 | [num] which [vb past] been | 19 |
|
| 4 | [num] which had been | 19 |
|
| 5 | [num] which [vb -s] been | 14 |
|
| 6 | [num] which has been | 14 |
|
| 7 | [num] which [vb base] been | 5 |
|
| 8 | [num] which have been | 5 |
|
