| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not for [art] purpose | 8 |
|
| 2 | [not/n't] for [art] purpose | 8 |
|
| 3 | [not/n't] for the purpose | 8 |
|
| 4 | [not/n't] for the purpose | 8 |
|
