| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [is] essential that | 384 |
|
| 2 | [pers pn] [is] that we | 64 |
|
| 3 | [is] essential that we | 35 |
|
| 4 | [pers pn] [is] essential we | 6 |
|
