| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb mod] [verb] [noun prp] | 190 |
|
| 2 | which [vb mod] allow [noun] | 71 |
|
| 3 | [pron] [vb mod] allow [noun prp] | 24 |
|
| 4 | which [modal v] allow [noun prp] | 11 |
|
