| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] that | 1937 |
|
| 2 | it [be] believed that | 243 |
|
| 3 | it [be] [adv] believed | 169 |
|
| 4 | [be] [adv] believed that | 124 |
|
