| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can not be doubted that | 6 |
|
| 2 | can not be doubted that | 6 |
|
| 3 | [modal v] not be doubted that | 6 |
|
| 4 | [vb mod] not be doubted that | 6 |
|
