| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] | 41668 |
|
| 2 | it [be] [noun] | 16246 |
|
| 3 | [modal v] [be] [noun] | 7203 |
|
| 4 | it [modal v] [noun] | 149 |
|
