| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | it is [adv] known that a | 5 |
|
| 32 | it is [adv] assume that a | 5 |
|
| 33 | it is [adv] that a [noun] | 11 |
|
| 34 | it is [adv] that a [noun sg] | 11 |
|
| 35 | it is [adv] that a [adj] | 6 |
|
| 36 | it is [adv] that a [adj] | 6 |
|
