| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [adj] for [art] [noun pl] | 99 |
|
| 2 | [is] [adv] necessary for [art] [noun] | 52 |
|
| 3 | [be] [adv] necessary for [art] [noun pl] | 10 |
|
| 4 | [is] [adv] necessary [prep] [art] [noun pl] | 7 |
|
| 5 | [is] [adv] necessary for [art] [noun pl] | 5 |
|
