| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [is] [pron] [verb] n't | 8 |
|
| 2 | [verb] [is] [pers pn] [verb] n't | 8 |
|
| 3 | [verb] [is] [verb] n't [verb] | 5 |
|
| 4 | [verb] [is] [verb] n't [vb infin] | 5 |
|
