| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] | 91259 |
|
| 2 | it be [vb pp] | 37805 |
|
| 3 | [prep] it be | 4431 |
|
| 4 | [prep] it [vb pp] | 41 |
|
