| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] to [be] [vb pp] at | 137 |
|
| 2 | to [be] [vb pp] at [adj] | 101 |
|
| 3 | [is] to [be] [vb pp] [adj] | 52 |
|
| 4 | [is] [be] [vb pp] at [adj] | 12 |
|
