| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] for [det] purpose | 9 |
|
| 2 | [not/n't] [vb pp] for [det] purpose | 9 |
|
| 3 | [not/n't] [verb] for [det] purpose | 8 |
|
| 4 | [not/n't] [verb] for this purpose | 6 |
|
