| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] [pron] [is] necessary | 43 |
|
| 2 | [noun] [pron] [is] necessary for | 28 |
|
| 3 | [art] [noun] [pron] [is] for | 24 |
|
| 4 | [art] [noun] [is] necessary for | 9 |
|
