| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [verb] | 99670 |
|
| 2 | it [be] [verb] | 51063 |
|
| 3 | [prep] it [be] | 4438 |
|
| 4 | [prep] it [verb] | 3816 |
|
