| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] whether [pron] is [v-ing] [art] | 5 |
|
| 2 | whether [pron] is [v-ing] [art] [noun] | 13 |
|
| 3 | whether [pron] is [v-ing] [art] [noun sg] | 11 |
|
