| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [be] [prep] [be] | 16 |
|
| 2 | it [vb mod] [be] [prep] [be] | 16 |
|
| 3 | [pron] [vb mod] [be] to [be] | 12 |
|
| 4 | it [modal v] [be] to [be] | 11 |
|
| 5 | it [vb mod] [be] to [be] | 11 |
|
