| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] [prep] [pron] | 471 |
|
| 2 | [modal v] be [vb pp] [prep] what | 137 |
|
| 3 | should be [vb pp] [prep] [Wh det] | 31 |
|
| 4 | should be [verb] [prep] what | 28 |
|
| 5 | should be [vb pp] [prep] what | 25 |
|
| 6 | should [be] [vb pp] [prep] what | 25 |
|
| 7 | should be [vb pp] [prep] what | 25 |
|
| 8 | should [be] [vb pp] [prep] what | 25 |
|
