| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] should be | 90 |
|
| 2 | be [vb pp] should be | 39 |
|
| 3 | is [vb pp] should be | 15 |
|
| 4 | been [vb pp] should be | 14 |
|
| 5 | are [vb pp] should be | 11 |
|
| 6 | was [vb pp] should be | 6 |
|
