| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] be whether | 20 |
|
| 2 | [verb] [to-vb] [be] whether | 20 |
|
| 3 | [verb] [to-vb] [is] whether | 17 |
|
| 4 | [verb] [to-vb] is whether | 17 |
|
| 5 | [vb base] [to-vb] [be] whether | 10 |
|
| 6 | [verb] to know [be] whether | 7 |
|
| 7 | have [to-vb] [be] whether | 6 |
|
| 8 | [vb infin] [to-vb] [be] whether | 5 |
|
