| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have have [art] | 869 |
|
| 2 | should have [verb] [art] | 598 |
|
| 3 | should [vb infin] have [art] | 92 |
|
| 4 | should [verb] have [art] | 92 |
|
| 5 | should have have [art] | 81 |
|
