| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] is [adj] if | 69 |
|
| 2 | [adj] is [adj] if | 65 |
|
| 3 | [adj] is essential [conj] | 16 |
|
| 4 | [adj] [be] essential if | 13 |
|
| 5 | [adj] be essential if | 13 |
|
| 6 | [adj] is essential if | 12 |
|
| 7 | [adj] [is] essential if | 12 |
|
