| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] for the | 485 |
|
| 2 | it is [adj] for the | 460 |
|
| 3 | it be necessary for the | 67 |
|
| 4 | it [be] necessary for the | 67 |
|
| 5 | [pron] is necessary for the | 55 |
|
| 6 | it is necessary [prep] the | 48 |
|
| 7 | it is necessary for [art] | 47 |
|
| 8 | it [is] necessary for the | 43 |
|
| 9 | [pers pn] is necessary for the | 42 |
|
| 10 | it is necessary for the | 42 |
|
| 11 | it is necessary for the | 42 |
|
