| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [verb] whether a | 7 |
|
| 2 | [vb pp] [prep] [v-ing] whether a | 6 |
|
| 3 | [vb pp] [prep] whether a [noun] | 8 |
|
| 4 | [vb pp] [prep] whether a [noun sg] | 8 |
|
