| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whether it [is] [verb] | 184 |
|
| 2 | [v-ing] it [is] [verb] | 79 |
|
| 3 | [v-ing] whether it [is] | 40 |
|
| 4 | [v-ing] whether it [verb] | 19 |
|
