| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] [adj] | 489 |
|
| 2 | [modal v] be keep [adj] | 164 |
|
| 3 | [vb mod] be keep [adj] | 164 |
|
| 4 | should be keep [adj] | 53 |
|
| 5 | should be keep [adj] | 53 |
|
| 6 | should [be] keep [adj] | 53 |
|
| 7 | should be keep [adj] | 53 |
|
| 8 | should [be] keep [adj] | 53 |
|
