| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] necessary for the | 17 |
|
| 2 | [noun] was necessary for the | 12 |
|
| 3 | [noun sg] [was/were] necessary for the | 9 |
|
| 4 | [noun pl] [was/were] necessary for the | 7 |
|
| 5 | [noun] were necessary for the | 5 |
|
