| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] at | 1956 |
|
| 2 | [prep] be [vb pp] [adj] | 1888 |
|
| 3 | be [vb pp] at [adj] | 1517 |
|
| 4 | [prep] be at [adj] | 109 |
|
