| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by a [noun sg] | 17119 |
|
| 2 | [not/n't] a [noun sg] | 9292 |
|
| 3 | [not/n't] by [noun sg] | 256 |
|
| 4 | [not/n't] by a | 68 |
|
