| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] at [adj] | 944 |
|
| 2 | [Wh det] [modal v] be [vb pp] [adj] | 213 |
|
| 3 | [Wh det] [modal v] be [vb pp] at | 180 |
|
