| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [vb pp] that [adj] | 823 |
|
| 2 | [subord] it [is] [vb pp] that | 503 |
|
| 3 | [subord] it [is] [vb pp] [adj] | 97 |
|
