| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] that some | 50 |
|
| 2 | it is hoped that some | 8 |
|
| 3 | it is estimated that some | 5 |
|
| 4 | it is thought that some | 5 |
|
| 5 | it is known that some | 5 |
|
