| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] [verb] | 2223 |
|
| 2 | it be [prep] us | 59 |
|
| 3 | be [prep] us [verb] | 56 |
|
| 4 | it [prep] us [verb] | 13 |
|
