| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb mod] [not/n't] be reduced to | 8 |
|
| 2 | [Wh det] [vb mod] not be reduced to | 7 |
|
| 3 | [Wh det] can [not/n't] be reduced to | 5 |
|
