| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [pron] [be] necessary for | 40 |
|
| 2 | of [noun sg] [pron] [be] necessary | 24 |
|
| 3 | of [noun sg] [be] necessary for | 7 |
|
| 4 | of [noun sg] [pron] [be] for | 5 |
|
