| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [verb] that | 641 |
|
| 2 | must [be] [vb pp] that | 626 |
|
| 3 | [modal v] [be] assumed that | 87 |
|
| 4 | must [be] assumed that | 12 |
|
| 5 | must [be] assumed [conj] | 12 |
|
| 6 | must [be] assume that | 12 |
|
