| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] at [noun prp] | 3922 |
|
| 2 | [noun prp] [to-vb] [noun prp] | 937 |
|
| 3 | [to-vb] at [noun prp] | 890 |
|
| 4 | [noun prp] [to-vb] at | 197 |
|
