| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] be [adj] | 3023 |
|
| 2 | it be [vb pp] [prep] [adj] | 916 |
|
| 3 | it be [vb pp] [prep] be | 689 |
|
| 4 | it be [prep] be [adj] | 102 |
|
