| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] that | 8066 |
|
| 2 | it is [adj] that | 7985 |
|
| 3 | it is necessary [conj] | 57 |
|
| 4 | it [be] necessary that | 50 |
|
| 5 | it be necessary that | 50 |
|
| 6 | it [is] necessary that | 43 |
|
| 7 | [pers pn] is necessary that | 41 |
|
| 8 | it is necessary [that] | 41 |
|
| 9 | [pron] is necessary that | 41 |
|
| 10 | it is necessary that | 41 |
|
| 11 | it is necessary that | 41 |
|
| 12 | it is necessary that | 41 |
|
