| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adj] [noun sg] [noun] | 5787 |
|
| 2 | essential for [adj] [noun] | 99 |
|
| 3 | essential for [adj] [noun sg] | 75 |
|
| 4 | essential for [noun sg] [noun] | 28 |
|
| 5 | essential [adj] [noun sg] [noun] | 19 |
|
