| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not working | 172 |
|
| 2 | [is] not work | 120 |
|
| 3 | is not work | 112 |
|
| 4 | 's not work | 69 |
|
| 5 | [is] n't work | 61 |
|
