| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] [modal v] be [vb pp] | 654 |
|
| 2 | [adj] [adj] [modal v] be [vb pp] | 433 |
|
| 3 | [prep] [adj] [adj] [modal v] be | 76 |
|
