| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [vb pp] by [adj] | 58 |
|
| 2 | it [vb mod] [be] [vb pp] by [adj] | 58 |
|
| 3 | it must [be] [vb pp] [prep] [adj] | 17 |
|
| 4 | [pron] must [be] [vb pp] by [adj] | 9 |
|
| 5 | it must [be] [vb pp] by [adj] | 7 |
|
| 6 | it must [be] [vb pp] by [adj] | 5 |
|
| 7 | it must [be] [verb] by [adj] | 5 |
|
| 8 | it must [be] [vb pp] by [adj] | 5 |
|
