| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] in a [adj] | 86 |
|
| 2 | should be kept in a [adj] | 8 |
|
| 3 | should be used in a [adj] | 6 |
|
| 4 | should be grown in a [adj] | 5 |
|
