| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] not [verb] | 1885 |
|
| 2 | it [is] [v-ing] [verb] | 874 |
|
| 3 | it [is] not [v-ing] | 681 |
|
| 4 | [is] not [v-ing] [verb] | 428 |
|
