| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which have been the [noun] | 8 |
|
| 2 | [prep] which have been the [noun sg] | 8 |
|
| 3 | of which have been the [noun] | 7 |
|
| 4 | of which have been the [noun] | 7 |
|
