| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is essential that all [noun pl] | 11 |
|
| 2 | [pers pn] is essential that all [noun pl] | 11 |
|
| 3 | it is essential [conj] all [noun pl] | 11 |
|
| 4 | [pers pn] is essential [that] all [noun pl] | 11 |
|
