| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] are essential for [adj] [noun] | 7 |
|
| 2 | are essential for [art] [adj] [noun] | 14 |
|
| 3 | are essential for [art] [adj] [noun] | 14 |
|
| 4 | are essential for the [adj] [noun] | 11 |
|
| 5 | are essential for the [adj] [noun] | 11 |
|
