| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whether it is [vb pp] [prep] | 44 |
|
| 2 | whether it is [verb] by | 13 |
|
| 3 | whether it is [verb] in | 7 |
|
| 4 | whether it is [verb] to | 6 |
|
