| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pron] is essential that [adj] | 8 |
|
| 2 | [noun] it is essential [that] [adj] | 8 |
|
| 3 | [noun] [pers pn] is essential [that] [adj] | 8 |
|
| 4 | [noun] it is essential [that] [adj] | 8 |
|
| 5 | [noun] [pron] is essential [that] [det] | 7 |
|
