| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] a | 13160 |
|
| 2 | [verb] whether [art] | 2549 |
|
| 3 | [verb] whether [art] | 2549 |
|
| 4 | [verb] whether a | 632 |
|
