| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [to-vb] whether [art] | 64 |
|
| 2 | [vb pp] [to-vb] whether [art] | 64 |
|
| 3 | [vb pp] [to-vb] whether the | 43 |
|
| 4 | [vb pp] [to-vb] whether the | 43 |
|
| 5 | [vb pp] [to-vb] whether a | 21 |
|
| 6 | [vb pp] [to-vb] whether a | 16 |
|
| 7 | [vb pp] to determine whether [art] | 14 |
|
| 8 | used [to-vb] whether [art] | 11 |
|
| 9 | [vb pp] to consider whether [art] | 7 |
|
| 10 | [vb pp] to see whether [art] | 6 |
|
| 11 | required [to-vb] whether [art] | 6 |
|
| 12 | made [to-vb] whether [art] | 5 |
|
| 13 | [vb pp] [to-vb] whether an | 5 |
|
| 14 | [vb pp] to ascertain whether [art] | 5 |
|
