| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which had [been] | 1475 |
|
| 2 | [noun pl] which have [been] | 1370 |
|
| 3 | [noun pl] which [verb] [been] | 1370 |
|
| 4 | [noun pl] [pron] had [been] | 1369 |
|
| 5 | [noun pl] which [vb past] [been] | 477 |
|
| 6 | [noun pl] which had [be] | 477 |
|
