| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [prep] a | 23230 |
|
| 2 | should [verb] [prep] a | 445 |
|
| 3 | should [pron] [verb] [prep] | 413 |
|
| 4 | should [pron] [verb] a | 112 |
|
