| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [is] possible [verb] | 64 |
|
| 2 | [verb] whether it [is] [verb] | 34 |
|
| 3 | whether it [is] possible [verb] | 21 |
|
| 4 | [verb] whether it [is] possible | 11 |
|
