| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be not [adj] for [pron] | 159 |
|
| 2 | it be [adv] necessary for [pron] | 29 |
|
| 3 | it be not necessary [prep] [pron] | 22 |
|
| 4 | [pron] be not necessary for [pron] | 19 |
|
| 5 | it [be] not necessary for [pron] | 19 |
|
| 6 | [pers pn] be not necessary for [pron] | 19 |
|
| 7 | it be not necessary for [pron] | 19 |
|
