| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] be | 1183 |
|
| 2 | it be [prep] [prep] | 502 |
|
| 3 | be [prep] be [prep] | 312 |
|
| 4 | it [prep] be [prep] | 63 |
|
