| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] [art] [noun sg] | 35881 |
|
| 2 | whether [prep] [art] [noun sg] | 250 |
|
| 3 | whether [to-vb] [art] [noun sg] | 237 |
|
| 4 | whether [to-vb] [prep] [art] | 76 |
|
| 5 | whether [to-vb] [prep] [noun sg] | 33 |
|
