| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have have [art] | 889 |
|
| 2 | should have [verb] [art] | 615 |
|
| 3 | should [verb] have [art] | 92 |
|
| 4 | should have have [art] | 81 |
|
