| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [adj] for [adj] [noun] | 65 |
|
| 2 | [pron] is necessary for [adj] [noun] | 16 |
|
| 3 | which be necessary for [adj] [noun] | 8 |
|
| 4 | which is necessary [prep] [adj] [noun] | 8 |
|
| 5 | which [be] necessary for [adj] [noun] | 8 |
|
| 6 | which is necessary [prep] [adj] [noun] | 8 |
|
| 7 | which [is] necessary for [adj] [noun] | 6 |
|
| 8 | which is necessary for [adj] [noun] | 6 |
|
