| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [be] necessary for | 69 |
|
| 2 | [noun pl] that [be] necessary | 32 |
|
| 3 | that [be] necessary for | 26 |
|
| 4 | [noun pl] that [be] for | 6 |
|
