| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not | 62395 |
|
| 2 | is not | 62034 |
|
| 3 | 's not | 17837 |
|
| 4 | [is] n't | 17500 |
|
| 5 | s not | 14 |
|
