| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [verb] [prep] | 302 |
|
| 2 | it must be [vb pp] [prep] | 288 |
|
| 3 | it [modal v] be said [prep] | 53 |
|
| 4 | [pron] must be said [prep] | 11 |
|
| 5 | it must be said [prep] | 6 |
|
| 6 | it must [be] said [prep] | 6 |
|
| 7 | it must be say [prep] | 6 |
|
