| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is not [verb] | 9350 |
|
| 2 | is [v-ing] [verb] | 4610 |
|
| 3 | not [v-ing] [verb] | 3945 |
|
| 4 | is not [v-ing] | 2036 |
|
