| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] are essential for [adj] | 10 |
|
| 2 | [noun pl] are essential for [adj] | 6 |
|
| 3 | are [adv] essential for [adj] | 5 |
|
| 4 | are essential for [art] [adj] | 18 |
|
| 5 | are essential for [art] [adj] | 18 |
|
| 6 | are essential for the [adj] | 11 |
|
| 7 | are essential for the [adj] | 11 |
|
| 8 | are essential for a [adj] | 7 |
|
| 9 | are essential for a [adj] | 7 |
|
| 10 | are essential for [adj] [noun] | 15 |
|
| 11 | are essential for [adj] [noun sg] | 12 |
|
