| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have [vb pp] [art] [adj] | 137 |
|
| 2 | they should have [vb pp] [art] | 30 |
|
| 3 | they should have [art] [adj] | 23 |
|
| 4 | they should have [vb pp] [adj] | 21 |
|
