| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] should [verb] [prep] a | 184 |
|
| 2 | whether [pron] should [verb] [prep] | 28 |
|
| 3 | whether [pron] [verb] [prep] a | 27 |
|
| 4 | whether [pron] should [verb] a | 18 |
|
