| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] for | 3918 |
|
| 2 | it be [adj] for | 3606 |
|
| 3 | it be necessary [prep] | 270 |
|
| 4 | it be necessary [prep] | 270 |
|
| 5 | [pron] be necessary for | 250 |
|
| 6 | [pers pn] be necessary for | 192 |
|
| 7 | it be necessary for | 187 |
|
| 8 | it be necessary for | 187 |
|
| 9 | it be necessary for | 187 |
|
| 10 | it [be] necessary for | 187 |
|
