| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is necessary [verb] [noun] | 115 |
|
| 2 | [pron] is also necessary [verb] | 50 |
|
| 3 | [pron] is also [verb] [noun] | 36 |
|
| 4 | is also necessary [verb] [noun] | 9 |
|
