| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] and should be [vb pp] [prep] | 25 |
|
| 2 | [vb mod] and should be [vb pp] [prep] | 25 |
|
| 3 | [modal v] and should be [vb pp] [prep] | 25 |
|
| 4 | can and should be [vb pp] [prep] | 21 |
|
| 5 | can and should be [vb pp] [prep] | 21 |
|
| 6 | [modal v] and should be [vb pp] by | 8 |
|
