| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [be] [vb pp] [prep] the | 78 |
|
| 2 | it must [be] [vb pp] [prep] the | 78 |
|
| 3 | it [modal v] [be] [vb pp] at the | 53 |
|
| 4 | it [vb mod] [be] [vb pp] at the | 53 |
|
| 5 | [pron] must [be] [vb pp] at the | 19 |
|
| 6 | it must [be] [vb pp] at [art] | 11 |
|
| 7 | [pers pn] must [be] [vb pp] at the | 11 |
|
| 8 | it must [be] [vb pp] at [art] | 11 |
|
| 9 | it must [be] [vb pp] at the | 9 |
|
| 10 | it must [be] [vb pp] at the | 9 |
|
| 11 | it must [be] [verb] at the | 9 |
|
| 12 | it must [be] [vb pp] at the | 9 |
|
| 13 | it must [be] [vb pp] at the | 9 |
|
