| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have [verb] | 4130 |
|
| 2 | should have [vb pp] | 3963 |
|
| 3 | [modal v] have seen | 702 |
|
| 4 | should [vb infin] seen | 124 |
|
| 5 | should [verb] seen | 124 |
|
| 6 | should have seen | 122 |
|
| 7 | should have see | 112 |
|
