| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] on [art] | 326 |
|
| 2 | be [vb pp] on [art] [det] | 75 |
|
| 3 | should be [vb pp] on [det] | 31 |
|
| 4 | should be [vb pp] [art] [det] | 20 |
|
