| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] should have been [vb pp] [prep] | 30 |
|
| 2 | [Wh det] should have been [vb pp] [prep] | 30 |
|
| 3 | which should have been [vb pp] [prep] | 28 |
|
| 4 | [Wh det] should have been [vb pp] in | 10 |
|
| 5 | [Wh det] should have been [vb pp] by | 5 |
|
