| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be believed that the [adj] | 16 |
|
| 2 | it [is] believed that the [adj] | 10 |
|
| 3 | it is believed that the [adj] | 10 |
|
| 4 | it [was/were] believed that the [adj] | 6 |
|
| 5 | it was believed that the [adj] | 6 |
|
