| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] [pron] [verb] n't | 268 |
|
| 2 | [v-ing] [conj] [pron] [verb] n't | 240 |
|
| 3 | is [v-ing] [conj] [pron] [verb] | 91 |
|
