| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [is] whether it [verb] | 16 |
|
| 2 | [noun] [is] whether it [verb] | 16 |
|
| 3 | [noun] is whether it [verb] | 16 |
|
| 4 | [noun] [is] whether it [vb -s] | 14 |
|
