| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] [conj] [verb] | 183 |
|
| 2 | [verb] [prep] whether [verb] | 46 |
|
| 3 | [vb infin] [prep] [subord] [verb] | 33 |
|
| 4 | [vb infin] [prep] whether [verb] | 6 |
|
