| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] [prep] a | 902 |
|
| 2 | should have [verb] [prep] | 594 |
|
| 3 | should [verb] [prep] a | 445 |
|
| 4 | should have [verb] a | 200 |
|
