| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [not/n't] [v-ing] | 3504 |
|
| 2 | [is] [v-ing] or | 124 |
|
| 3 | [not/n't] [v-ing] or | 101 |
|
| 4 | [is] [not/n't] or | 8 |
|
