| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] that [pers pn] [verb] [pron] | 82 |
|
| 2 | [is] essential [conj] [pers pn] [verb] [pron] | 12 |
|
| 3 | [be] essential that [pers pn] [verb] [pron] | 11 |
|
| 4 | [is] essential [that] [pers pn] [verb] [pron] | 10 |
|
| 5 | [is] essential that [pers pn] [verb] [pron] | 10 |
|
| 6 | [is] essential that [pron] [verb] [pron] | 10 |
|
