| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which have [adv] been | 759 |
|
| 2 | [noun] [pron] have not been | 492 |
|
| 3 | [noun] which [verb] not been | 216 |
|
| 4 | [noun] which have not [be] | 216 |
|
| 5 | [noun] which have not be | 216 |
|
| 6 | [noun] which have not [been] | 216 |
|
