| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] that this | 39 |
|
| 2 | it is [adv] [vb pp] [that] this | 34 |
|
| 3 | it is [adv] assumed [that] this | 5 |
|
| 4 | it is [adv] assume [that] this | 5 |
|
