| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be believed that [det] | 36 |
|
| 2 | it [be] believed that [det] | 36 |
|
| 3 | it is believed that [det] | 26 |
|
| 4 | it [is] believed that [det] | 26 |
|
| 5 | it [be] believed that this | 17 |
|
| 6 | it [was/were] believed that [det] | 10 |
|
| 7 | it was believed that [det] | 10 |
|
