| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] that | 641 |
|
| 2 | [modal v] be acknowledge that | 17 |
|
| 3 | [vb mod] be acknowledge that | 17 |
|
| 4 | must be acknowledge [conj] | 16 |
|
| 5 | must be acknowledge that | 12 |
|
| 6 | must [be] acknowledge that | 12 |
|
