| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] whether [pron] [verb] [art] [noun] | 11 |
|
| 2 | [is] whether [pers pn] [verb] [art] [noun] | 10 |
|
| 3 | [is] whether [verb] [art] [noun] [prep] | 5 |
|
| 4 | [is] whether [verb] [art] [noun] [prep] | 5 |
|
