| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [not/n't] [adj] for | 379 |
|
| 2 | it is [not/n't] [adj] for | 379 |
|
| 3 | it is [adv] necessary for | 66 |
|
| 4 | it [be] [not/n't] necessary for | 61 |
|
| 5 | it be [not/n't] necessary for | 61 |
|
| 6 | it is [not/n't] necessary [prep] | 51 |
|
| 7 | it [is] [not/n't] necessary for | 42 |
|
| 8 | it is [not/n't] necessary for | 40 |
|
| 9 | [pers pn] is [not/n't] necessary for | 40 |
|
| 10 | [pron] is [not/n't] necessary for | 40 |
|
| 11 | it is [not/n't] necessary for | 40 |
|
