| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] that | 1030 |
|
| 2 | it must [be] [conj] | 36 |
|
| 3 | it must [be] that | 6 |
|
| 4 | [pers pn] must [be] that | 6 |
|
| 5 | it must [be] that | 6 |
|
| 6 | [pron] must [be] that | 6 |
|
