| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] for [art] [noun sg] | 508 |
|
| 2 | necessary for [art] [noun sg] | 465 |
|
| 3 | [not/n't] necessary for [art] | 46 |
|
| 4 | [not/n't] necessary for [noun sg] | 7 |
|
