| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [vb pp] [prep] | 12840 |
|
| 2 | be [vb pp] [prep] some | 2502 |
|
| 3 | it be [prep] some | 135 |
|
| 4 | it be [vb pp] some | 16 |
|
