| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not vouch for | 9 |
|
| 2 | [vb mod] not vouch for | 9 |
|
| 3 | can not vouch for | 8 |
|
| 4 | can not vouch for | 6 |
|
| 5 | not vouch for [pron] | 5 |
|
