| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] [adv] necessary [verb] | 483 |
|
| 2 | [pron] [is] [adv] necessary [verb] | 300 |
|
| 3 | [pron] [is] now [adj] [verb] | 179 |
|
| 4 | [pron] [be] now necessary [verb] | 27 |
|
| 5 | [pron] [is] now necessary [verb] | 25 |
|
