| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [adj] [prep] [be] | 93 |
|
| 2 | it [vb mod] [be] [adj] [prep] [be] | 93 |
|
| 3 | [pron] must [be] [adj] [prep] [be] | 25 |
|
| 4 | [pers pn] must [be] [adj] [prep] [be] | 25 |
|
| 5 | it must [be] [adj] [prep] [be] | 20 |
|
| 6 | it must [be] [adj] [prep] [be] | 19 |
|
| 7 | it must [be] [adj] [prep] [be] | 18 |
|
| 8 | it must [be] [adj] [prep] [be] | 18 |
|
| 9 | it must [be] [adj] [prep] [be] | 18 |
|
| 10 | it must [be] [adj] [prep] [be] | 18 |
|
