| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be not a | 8891 |
|
| 2 | is not a | 4864 |
|
| 3 | was not a | 2468 |
|
| 4 | 's not a | 1875 |
|
| 5 | be not an | 1784 |
|
| 6 | 'm not a | 510 |
|
| 7 | are not a | 357 |
|
| 8 | 're not a | 237 |
|
| 9 | am not a | 204 |
|
| 10 | were not a | 141 |
|
| 11 | be not a | 15 |
|
