| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] that [adj] [noun] | 472 |
|
| 2 | it is [vb pp] that [adj] [noun] | 465 |
|
| 3 | it be understood that [adj] [noun] | 17 |
|
| 4 | it [be] understood that [adj] [noun] | 17 |
|
| 5 | it is understood [conj] [adj] [noun] | 10 |
|
| 6 | [pron] is understood that [adj] [noun] | 10 |
|
| 7 | it is understand that [adj] [noun] | 10 |
|
| 8 | [pers pn] is understood that [adj] [noun] | 10 |
|
| 9 | it [is] understood that [adj] [noun] | 10 |
|
| 10 | it is understood that [adj] [noun] | 10 |
|
| 11 | it is understood that [adj] [noun] | 10 |
|
| 12 | it is understood [that] [adj] [noun] | 10 |
|
