| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that the problem [is] [not/n't] | 12 |
|
| 2 | [that] the problem is [not/n't] | 12 |
|
| 3 | [that] the problem [is] [not/n't] | 12 |
|
| 4 | [that] the problem [is] not | 11 |
|
