| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] that a [adj] [noun sg] | 68 |
|
| 2 | is hoped that a [adj] [noun sg] | 8 |
|
| 3 | is known that a [adj] [noun sg] | 5 |
|
| 4 | is thought that a [adj] [noun sg] | 5 |
|
