| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] for us | 163 |
|
| 2 | it be necessary for [pron] | 62 |
|
| 3 | it be necessary for [pers pn] | 50 |
|
| 4 | it [be] necessary for us | 13 |
|
| 5 | it be necessary [prep] us | 13 |
|
| 6 | it be necessary for we | 13 |
|
| 7 | it be necessary for us | 13 |
|
| 8 | it be necessary [prep] us | 13 |
|
| 9 | [pron] be necessary for us | 13 |
|
