| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whether it [is] [to-vb] | 9 |
|
| 2 | whether it [is] [to-vb] | 9 |
|
| 3 | whether it 's [to-vb] | 7 |
|
| 4 | whether it [is] to do | 5 |
|
