| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be believed that | 243 |
|
| 2 | it [be] believed that | 243 |
|
| 3 | it [is] believed that | 154 |
|
| 4 | it is believed that | 149 |
|
| 5 | it [was/were] believed that | 88 |
|
| 6 | it was believed that | 88 |
|
| 7 | it 's believed that | 5 |
|
