| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [prep] | 23930 |
|
| 2 | it [vb -s] [prep] | 16161 |
|
| 3 | it [vb -s] [be] | 7819 |
|
| 4 | [vb -s] [be] [prep] | 2881 |
|
