| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] essential that [noun] | 62 |
|
| 2 | it [be] essential that these | 8 |
|
| 3 | it [be] that these [noun] | 7 |
|
| 4 | [be] essential that these [noun] | 5 |
|
