| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] is not [adv] a | 143 |
|
| 2 | [det] is not a problem | 22 |
|
| 3 | [det] is [adv] a problem | 19 |
|
| 4 | is not [adv] a problem | 18 |
|
