| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [verb] [to-vb] | 1300 |
|
| 2 | be [verb] [verb] whether | 258 |
|
| 3 | [verb] [verb] whether [to-vb] | 82 |
|
| 4 | be [verb] whether [to-vb] | 70 |
|
