| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is [adj] for | 112 |
|
| 2 | [adv] it [be] necessary for | 11 |
|
| 3 | [adv] it be necessary for | 11 |
|
| 4 | [adv] it is necessary [prep] | 10 |
|
| 5 | [adv] [pron] is necessary for | 6 |
|
| 6 | [adv] [pers pn] is necessary for | 6 |
|
| 7 | [adv] it [is] necessary for | 6 |
|
| 8 | [adv] it is necessary for | 6 |
|
