| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [verb] | 25023 |
|
| 2 | [pers pn] is essential | 831 |
|
| 3 | is essential [verb] | 349 |
|
| 4 | [pers pn] essential [verb] | 19 |
|
