| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [noun prp] at | 1202 |
|
| 2 | [verb] [noun prp] is | 904 |
|
| 3 | [noun prp] is at | 252 |
|
| 4 | [verb] is at | 58 |
|
