| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] by a | 22211 |
|
| 2 | [not/n't] [verb] a | 13731 |
|
| 3 | [not/n't] [verb] by | 2964 |
|
| 4 | [not/n't] by a | 68 |
|
