| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] necessary for [pron] | 27 |
|
| 2 | [not/n't] necessary for [pers pn] | 22 |
|
| 3 | not necessary for [pron] | 19 |
|
| 4 | [not/n't] necessary for i | 10 |
|
| 5 | [not/n't] necessary for me | 10 |
|
| 6 | n't necessary for [pron] | 8 |
|
| 7 | [not/n't] necessary for him | 6 |
|
| 8 | [not/n't] necessary for he | 6 |
|
