| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is believed that [adj] | 41 |
|
| 2 | it be believed that [det] | 36 |
|
| 3 | it be believed that this | 17 |
|
| 4 | it was believed that [adj] | 17 |
|
| 5 | it be believed that this | 17 |
|
| 6 | it be believed that [adj] | 15 |
|
| 7 | it be believed that [num] | 7 |
|
