| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] in [adj] | 147 |
|
| 2 | [modal v] be keep in [adj] | 22 |
|
| 3 | should be keep [prep] [adj] | 17 |
|
| 4 | should be keep [prep] [adj] | 17 |
|
| 5 | should be keep in [adj] | 7 |
|
| 6 | should be keep in [adj] | 5 |
|
| 7 | should be keep in [adj] | 5 |
|
| 8 | should [be] keep in [adj] | 5 |
|
| 9 | should [be] keep in [adj] | 5 |
|
