| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [be] [vb pp] | 28200 |
|
| 2 | [be] [vb pp] at | 20242 |
|
| 3 | [noun prp] [be] at | 1119 |
|
| 4 | [noun prp] [vb pp] at | 17 |
|
