| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [not/n't] [art] problem | 9 |
|
| 2 | [adv] not [art] problem | 9 |
|
| 3 | [adv] [not/n't] a problem | 7 |
|
| 4 | [adv] [not/n't] a problem | 7 |
|
