| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] that a [adj] | 75 |
|
| 2 | it is hoped that a [adj] | 8 |
|
| 3 | it is known that a [adj] | 5 |
|
| 4 | it is expected that a [adj] | 5 |
|
| 5 | it is [vb pp] that a new | 5 |
|
| 6 | it is thought that a [adj] | 5 |
|
