| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] it [is] | 163 |
|
| 2 | [be] it [is] not | 89 |
|
| 3 | [v-ing] it [is] not | 64 |
|
| 4 | [be] [v-ing] [is] not | 37 |
|
