| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] whether [art] [noun sg] | 843 |
|
| 2 | [prep] whether [art] [noun sg] | 843 |
|
| 3 | [prep] whether a [noun sg] | 188 |
|
| 4 | [prep] [conj] an [noun sg] | 68 |
|
| 5 | [prep] [subord] an [noun sg] | 51 |
|
| 6 | [prep] whether an [noun] | 35 |
|
| 7 | [prep] whether an [noun sg] | 34 |
|
