| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [prep] [adj] condition | 32 |
|
| 2 | [modal v] be [verb] [prep] [adj] condition | 32 |
|
| 3 | [modal v] be kept [prep] [adj] condition | 5 |
|
| 4 | [modal v] be keep [prep] [adj] condition | 5 |
|
