| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [art] | 63354 |
|
| 2 | [be] whether [art] | 439 |
|
| 3 | whether [verb] [art] | 409 |
|
| 4 | [be] whether [verb] | 47 |
|
