| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] whether it [is] [prep] [v-ing] | 9 |
|
| 2 | [vb infin] whether it [is] [prep] [v-ing] | 6 |
|
| 3 | whether it [is] [prep] [v-ing] [pron] | 5 |
|
