| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] [that] [adj] [noun pl] | 814 |
|
| 2 | [be] essential [that] [adj] [noun] | 62 |
|
| 3 | [be] essential [conj] [adj] [noun pl] | 39 |
|
