| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] is [conj] | 3317 |
|
| 2 | [adj] is [conj] | 830 |
|
| 3 | essential [be] [conj] | 11 |
|
| 4 | essential be [conj] | 11 |
|
| 5 | essential [is] [conj] | 10 |
|
| 6 | essential is [conj] | 10 |
|
