| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is believed that [det] [noun] | 10 |
|
| 2 | it [is] believed that [det] [noun] | 10 |
|
| 3 | it [is] believed that [det] [noun sg] | 6 |
|
| 4 | it [is] believed that this [noun] | 6 |
|
