| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] that [adj] [noun pl] | 101 |
|
| 2 | it is hoped that [adj] [noun pl] | 14 |
|
| 3 | it is argued that [adj] [noun pl] | 11 |
|
| 4 | it is [vb pp] that certain [noun pl] | 9 |
|
| 5 | it is known that [adj] [noun pl] | 7 |
|
| 6 | it is [vb pp] that other [noun pl] | 6 |
|
| 7 | it is believed that [adj] [noun pl] | 6 |
|
| 8 | it is assumed that [adj] [noun pl] | 5 |
|
