| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] a [noun sg] | 43509 |
|
| 2 | whether a [noun sg] | 801 |
|
| 3 | whether [to-vb] a | 123 |
|
| 4 | whether [to-vb] [noun sg] | 111 |
|
