| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [prep] | 2063 |
|
| 2 | it [be] [prep] [be] | 1357 |
|
| 3 | it [modal v] [prep] [be] | 792 |
|
| 4 | [modal v] [be] [prep] [be] | 34 |
|
| 5 | it [modal v] [be] [be] | 13 |
|
