| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | necessary for [adj] [noun sg] | 102 |
|
| 2 | necessary for [adj] [noun pl] | 36 |
|
| 3 | necessary for effective [noun] | 9 |
|
| 4 | necessary for successful [noun] | 9 |
|
| 5 | necessary for certain [noun] | 6 |
|
| 6 | necessary for good [noun] | 5 |
|
| 7 | necessary for [adj] reasons | 5 |
|
| 8 | necessary for social [noun] | 5 |
|
| 9 | necessary for [adj] reason | 5 |
|
