| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] that in | 30 |
|
| 2 | it is generally [vb pp] that [prep] | 12 |
|
| 3 | it is [adv] accepted that [prep] | 7 |
|
| 4 | it is [adv] said that [prep] | 6 |
|
| 5 | it is now [vb pp] that [prep] | 5 |
|
| 6 | it is also [vb pp] that [prep] | 5 |
|
| 7 | it is [adv] assumed that [prep] | 5 |
|
| 8 | it is well [vb pp] that [prep] | 5 |
|
