| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] | 41670 |
|
| 2 | it [be] [noun sg] | 8761 |
|
| 3 | [modal v] [be] [noun sg] | 3397 |
|
| 4 | it [modal v] [noun sg] | 121 |
|
