| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have [verb] a | 200 |
|
| 2 | should have [vb pp] a | 188 |
|
| 3 | [modal v] have done a | 47 |
|
| 4 | should have done [art] | 19 |
|
| 5 | should have done [art] | 19 |
|
| 6 | should [verb] done a | 10 |
|
| 7 | should [vb infin] done a | 10 |
|
| 8 | should have done a | 9 |
|
| 9 | should have done a | 9 |
|
| 10 | should have do a | 9 |
|
