| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] be | 1183 |
|
| 2 | [vb past] it be [prep] | 319 |
|
| 3 | [vb past] it [prep] be | 307 |
|
| 4 | [vb past] be [prep] be | 46 |
|
