| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is also necessary [verb] [noun] [prep] | 6 |
|
| 2 | is also necessary [to-vb] [noun] [prep] | 6 |
|
| 3 | is also necessary [verb] [noun] [prep] | 6 |
|
| 4 | is also necessary [verb] [noun sg] [prep] | 5 |
|
