| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] n't [verb] | 56974 |
|
| 2 | [modal v] [verb] [is] | 1944 |
|
| 3 | n't [verb] [is] | 273 |
|
| 4 | [modal v] n't [is] | 5 |
|
