| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] [that] | 690 |
|
| 2 | be [not/n't] often | 196 |
|
| 3 | [not/n't] often [that] | 21 |
|
| 4 | be often [that] | 10 |
|
