| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [be] essential that [det] | 65 |
|
| 2 | [pers pn] [be] essential that [noun pl] | 29 |
|
| 3 | [be] essential that [det] [noun pl] | 22 |
|
| 4 | [pers pn] [be] that [det] [noun pl] | 9 |
|
