| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [vb pp] [prep] | 9543 |
|
| 2 | this [be] [vb pp] [prep] | 4231 |
|
| 3 | this should [be] [vb pp] | 334 |
|
| 4 | this should [be] [prep] | 17 |
|
