| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] be [verb] whether | 11 |
|
| 2 | [det] [be] [to-vb] whether | 9 |
|
| 3 | [det] is [verb] whether | 7 |
|
| 4 | [det] [is] [verb] whether | 7 |
|
| 5 | this [be] [verb] whether | 7 |
|
