| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] for [pers pn] | 330 |
|
| 2 | it is [adj] for [pers pn] | 302 |
|
| 3 | it be necessary for [pers pn] | 50 |
|
| 4 | it [be] necessary for [pers pn] | 50 |
|
| 5 | it is necessary for [pron] | 33 |
|
| 6 | it [is] necessary for [pers pn] | 31 |
|
| 7 | [pron] is necessary for [pers pn] | 25 |
|
| 8 | it is necessary for [pers pn] | 23 |
|
| 9 | [pers pn] is necessary for [pers pn] | 23 |
|
| 10 | it is necessary for [pers pn] | 23 |
|
| 11 | it is necessary [prep] [pers pn] | 23 |
|
