| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] | 51078 |
|
| 2 | it [be] [vb pp] | 37805 |
|
| 3 | [pron] [be] believed | 814 |
|
| 4 | it [be] believe | 542 |
|
