| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [verb] [prep] a | 324 |
|
| 2 | [pron] should [verb] [prep] a | 184 |
|
| 3 | [Wh det] should [verb] [prep] [art] | 38 |
|
| 4 | [Wh det] should [verb] [prep] [art] | 38 |
|
| 5 | [Wh det] should [verb] [prep] a | 13 |
|
