| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have [vb pp] [art] | 563 |
|
| 2 | they should have [vb pp] | 200 |
|
| 3 | they should have [art] | 61 |
|
| 4 | they have [vb pp] [art] | 8 |
|
