| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [det] | 9904 |
|
| 2 | it [vb -s] be | 7815 |
|
| 3 | it [vb -s] [det] | 2525 |
|
| 4 | [vb -s] be [det] | 859 |
|
