| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] in [adj] | 2136 |
|
| 2 | should be [vb pp] in | 1711 |
|
| 3 | should be [vb pp] [adj] | 426 |
|
| 4 | should be in [adj] | 44 |
|
